From d8832778fec9f6ba8f4af438654f2d6420bd91c7 Mon Sep 17 00:00:00 2001
From: "C. Lucas" <lucas.charpentier@imt-atlantique.net>
Date: Thu, 18 Jan 2024 14:48:48 +0100
Subject: [PATCH] XWIKI-13912: Impossible to control contrast of the panel
 headers on Flamingo (#2497)

* Added the panel header text color to the ThemeSheet.xml
* Changed the name of the variable to fit other variables in the tab
* Updated color themes
* Fixed property name
* Fixed colortheme files and homogeneized property names
* Fixed codestyle
* Fixed consistency
* Fixed backward compatibility
---
 .../main/resources/flamingo/less/accordion.less |  6 +++---
 .../flamingo/less/colorThemeMappingOutput.vm    |  6 +++---
 .../main/resources/flamingo/less/panels.less    |  2 +-
 .../resources/flamingo/less/variablesInit.vm    | 11 +++++++++--
 .../main/resources/FlamingoThemes/Cerulean.xml  | 16 ++++++++++++++++
 .../src/main/resources/FlamingoThemes/Cosmo.xml | 16 ++++++++++++++++
 .../main/resources/FlamingoThemes/Cyborg.xml    | 16 ++++++++++++++++
 .../main/resources/FlamingoThemes/Darkly.xml    | 16 ++++++++++++++++
 .../main/resources/FlamingoThemes/Flatly.xml    | 16 ++++++++++++++++
 .../main/resources/FlamingoThemes/Journal.xml   | 16 ++++++++++++++++
 .../src/main/resources/FlamingoThemes/Lumen.xml | 16 ++++++++++++++++
 .../src/main/resources/FlamingoThemes/Paper.xml | 16 ++++++++++++++++
 .../main/resources/FlamingoThemes/Readable.xml  | 16 ++++++++++++++++
 .../main/resources/FlamingoThemes/Sandstone.xml | 16 ++++++++++++++++
 .../main/resources/FlamingoThemes/Simplex.xml   | 16 ++++++++++++++++
 .../src/main/resources/FlamingoThemes/Slate.xml | 16 ++++++++++++++++
 .../main/resources/FlamingoThemes/Spacelab.xml  | 16 ++++++++++++++++
 .../main/resources/FlamingoThemes/Superhero.xml | 17 +++++++++++++++++
 .../main/resources/FlamingoThemes/United.xml    | 16 ++++++++++++++++
 .../src/main/resources/FlamingoThemes/Yeti.xml  | 16 ++++++++++++++++
 .../main/resources/FlamingoThemes/Charcoal.xml  | 16 ++++++++++++++++
 .../main/resources/FlamingoThemes/Garden.xml    | 16 ++++++++++++++++
 .../main/resources/FlamingoThemes/Iceberg.xml   | 16 ++++++++++++++++
 .../src/main/resources/FlamingoThemes/Kitty.xml | 16 ++++++++++++++++
 .../main/resources/FlamingoThemes/Marina.xml    | 16 ++++++++++++++++
 .../resources/FlamingoThemesCode/ThemeSheet.xml |  3 ++-
 .../FlamingoThemesCode/ThemeTemplate.xml        | 16 ++++++++++++++++
 27 files changed, 371 insertions(+), 10 deletions(-)

diff --git a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-skin/xwiki-platform-flamingo-skin-resources/src/main/resources/flamingo/less/accordion.less b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-skin/xwiki-platform-flamingo-skin-resources/src/main/resources/flamingo/less/accordion.less
index 47ec616d3aca..aa03d5fdb0c2 100644
--- a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-skin/xwiki-platform-flamingo-skin-resources/src/main/resources/flamingo/less/accordion.less
+++ b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-skin/xwiki-platform-flamingo-skin-resources/src/main/resources/flamingo/less/accordion.less
@@ -4,12 +4,12 @@
 
 .accordionTabTitleBar h1 {
   display:block;
-  background-color: @xwiki-panel-header-bg;
+  background-color: @panel-header-bg;
   background-image: url(@xwiki-accordion-title-bar-background);
   background-repeat: no-repeat;
   background-position: center left;
   border-bottom: 1px solid @xwiki-border-color;
-  color: @xwiki-panel-header-text;
+  color: @panel-header-text;
   font: 700 .8em / 1.8em sans-serif;
   margin: 0;
   overflow: hidden;
@@ -30,4 +30,4 @@
 .openDetails {
   cursor: pointer;
   float: right;
-}
\ No newline at end of file
+}
diff --git a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-skin/xwiki-platform-flamingo-skin-resources/src/main/resources/flamingo/less/colorThemeMappingOutput.vm b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-skin/xwiki-platform-flamingo-skin-resources/src/main/resources/flamingo/less/colorThemeMappingOutput.vm
index 3cf4683c96f8..adeeb14500b0 100644
--- a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-skin/xwiki-platform-flamingo-skin-resources/src/main/resources/flamingo/less/colorThemeMappingOutput.vm
+++ b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-skin/xwiki-platform-flamingo-skin-resources/src/main/resources/flamingo/less/colorThemeMappingOutput.vm
@@ -42,8 +42,8 @@
 #mapping("menuSelectedEntryLinkColor" "@navbar-default-link-active-color")
 #mapping("panelBackgroundColor", "@panel-bg")
 #mapping("panelTextColor", "@panel-default-text")
-#mapping("panelHeaderTextColor", "@xwiki-panel-header-text")
-#mapping("panelHeaderBackgroundColor", "@xwiki-panel-header-bg")
+#mapping("panelHeaderTextColor", "@panel-header-text")
+#mapping("panelHeaderBackgroundColor", "@panel-header-bg")
 #mapping("buttonPrimaryTextColor", "@btn-primary-color")
 #mapping("buttonPrimaryBackgroundColor", "@btn-primary-bg")
 #mapping("buttonSecondaryTextColor", "@btn-default-color")
@@ -54,4 +54,4 @@
 #mapping("notificationSuccessColor", "@brand-success")
 #mapping("notificationInfoColor", "@brand-info")
 #mapping("notificationWarningColor", "@brand-warning")
-#mapping("notificationErrorColor", "@brand-danger")
\ No newline at end of file
+#mapping("notificationErrorColor", "@brand-danger")
diff --git a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-skin/xwiki-platform-flamingo-skin-resources/src/main/resources/flamingo/less/panels.less b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-skin/xwiki-platform-flamingo-skin-resources/src/main/resources/flamingo/less/panels.less
index 81c7a6e7ce39..df9a3a8ff0f4 100644
--- a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-skin/xwiki-platform-flamingo-skin-resources/src/main/resources/flamingo/less/panels.less
+++ b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-skin/xwiki-platform-flamingo-skin-resources/src/main/resources/flamingo/less/panels.less
@@ -11,7 +11,7 @@ h1.xwikipaneltitle, h2.xwikipaneltitle {
   .panel-title;
   margin: @padding-small-vertical @padding-large-horizontal @padding-large-vertical;
   padding: 0 0 @padding-large-vertical;
-  color: @xwiki-panel-header-text;
+  color: @panel-header-text;
   border-bottom: @border-width solid @xwiki-page-content-bg;
   box-shadow: 0 @border-width 0 @xwiki-border-color;
   overflow: hidden;
diff --git a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-skin/xwiki-platform-flamingo-skin-resources/src/main/resources/flamingo/less/variablesInit.vm b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-skin/xwiki-platform-flamingo-skin-resources/src/main/resources/flamingo/less/variablesInit.vm
index 3c4c6d829f6a..143432181c38 100644
--- a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-skin/xwiki-platform-flamingo-skin-resources/src/main/resources/flamingo/less/variablesInit.vm
+++ b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-skin/xwiki-platform-flamingo-skin-resources/src/main/resources/flamingo/less/variablesInit.vm
@@ -98,6 +98,9 @@
 
   @panel-bg:                            $theme.panelBackgroundColor;
   @panel-default-text:                  $theme.panelTextColor;
+  @panel-header-bg:                     $theme.panelHeaderBackgroundColor;
+  @panel-header-text:                   $theme.panelHeaderTextColor;
+  ## Kept for backward compatibility
   @xwiki-panel-header-bg:               $theme.panelHeaderBackgroundColor;
   @xwiki-panel-header-text:             $theme.panelHeaderTextColor;
 
@@ -194,6 +197,7 @@
       "legend-border-color": "color",
       "panel-bg" : "color",
       "panel-default-text" : "color",
+      "panel-header-text" : "color",
       "breadcrumb-bg": "color",
       "breadcrumb-color": "color",
       "breadcrumb-separator": "escapedText",
@@ -225,13 +229,16 @@
   ## currently, it comes from the old color theme object (see colorThemeInit.vm)
   // Default
   @xwiki-border-color:                  $theme.borderColor;
-  @xwiki-panel-header-bg:               $theme.panelHeaderBackgroundColor;
-  @xwiki-panel-header-text:             $theme.panelHeaderTextColor;
+  @panel-header-bg:                     $theme.panelHeaderBackgroundColor;
+  @panel-header-text:                   $theme.panelHeaderTextColor;
   @xwiki-page-content-bg:               $theme.pageContentBackgroundColor;
   @xwiki-background-secondary-color:    $theme.backgroundSecondaryColor;
   @xwiki-page-header-bg-color:          $theme.pageHeaderBackgroundColor;
   @xwiki-page-header-bg-image:          $stringtool.defaultString($theme.headerBackgroundImage, '""');
   @xwiki-page-header-bg-position:       $stringtool.defaultString($theme.headerBackgroundPosition, '""');
+  ## Kept for backward compatibility
+  @xwiki-panel-header-bg:               $theme.panelHeaderBackgroundColor;
+  @xwiki-panel-header-text:             $theme.panelHeaderTextColor;
 
   ## Some values are changed from the bootstrap default in order to make sure there's no accessibility contrast issue
   ## Make sure the links are dark enough in the tmDrawer
diff --git a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Cerulean.xml b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Cerulean.xml
index 6208958dc13a..2612abdffde0 100644
--- a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Cerulean.xml
+++ b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Cerulean.xml
@@ -753,6 +753,19 @@
         <validationRegExp/>
         <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
       </panel-bg>
+      <panel-header-text>
+        <customDisplay/>
+        <disabled>0</disabled>
+        <name>panel-header-text</name>
+        <number>46</number>
+        <picker>0</picker>
+        <prettyName>panel-header-text</prettyName>
+        <size>30</size>
+        <unmodifiable>0</unmodifiable>
+        <validationMessage/>
+        <validationRegExp/>
+        <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
+      </panel-header-text>
       <text-color>
         <customDisplay/>
         <disabled>0</disabled>
@@ -1941,6 +1954,9 @@
     <property>
       <panel-bg/>
     </property>
+    <property>
+      <panel-header-text/>
+    </property>
     <property>
       <text-color/>
     </property>
diff --git a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Cosmo.xml b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Cosmo.xml
index b70bef84d4ef..9bc7b1032539 100644
--- a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Cosmo.xml
+++ b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Cosmo.xml
@@ -744,6 +744,19 @@
         <validationRegExp/>
         <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
       </panel-bg>
+      <panel-header-text>
+        <customDisplay/>
+        <disabled>0</disabled>
+        <name>panel-header-text</name>
+        <number>46</number>
+        <picker>0</picker>
+        <prettyName>panel-header-text</prettyName>
+        <size>30</size>
+        <unmodifiable>0</unmodifiable>
+        <validationMessage/>
+        <validationRegExp/>
+        <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
+      </panel-header-text>
       <text-color>
         <customDisplay/>
         <disabled>0</disabled>
@@ -2059,6 +2072,9 @@ a.list-group-item {
     <property>
       <panel-bg/>
     </property>
+    <property>
+      <panel-header-text/>
+    </property>
     <property>
       <text-color/>
     </property>
diff --git a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Cyborg.xml b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Cyborg.xml
index 1f50305627ef..ec3dc9d236c1 100644
--- a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Cyborg.xml
+++ b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Cyborg.xml
@@ -753,6 +753,19 @@
         <validationRegExp/>
         <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
       </panel-bg>
+      <panel-header-text>
+        <customDisplay/>
+        <disabled>0</disabled>
+        <name>panel-header-text</name>
+        <number>46</number>
+        <picker>0</picker>
+        <prettyName>panel-header-text</prettyName>
+        <size>30</size>
+        <unmodifiable>0</unmodifiable>
+        <validationMessage/>
+        <validationRegExp/>
+        <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
+      </panel-header-text>
       <text-color>
         <customDisplay/>
         <disabled>0</disabled>
@@ -2050,6 +2063,9 @@ a.list-group-item {
     <property>
       <panel-bg>#060606</panel-bg>
     </property>
+    <property>
+      <panel-header-text>#ffffff</panel-header-text>
+    </property>
     <property>
       <text-color>#999999</text-color>
     </property>
diff --git a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Darkly.xml b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Darkly.xml
index 8113c6e9ff3d..b3fb840e65ab 100644
--- a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Darkly.xml
+++ b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Darkly.xml
@@ -753,6 +753,19 @@
         <validationRegExp/>
         <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
       </panel-bg>
+      <panel-header-text>
+        <customDisplay/>
+        <disabled>0</disabled>
+        <name>panel-header-text</name>
+        <number>46</number>
+        <picker>0</picker>
+        <prettyName>panel-header-text</prettyName>
+        <size>30</size>
+        <unmodifiable>0</unmodifiable>
+        <validationMessage/>
+        <validationRegExp/>
+        <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
+      </panel-header-text>
       <text-color>
         <customDisplay/>
         <disabled>0</disabled>
@@ -2155,6 +2168,9 @@ a.list-group-item {
     <property>
       <panel-bg>#222222</panel-bg>
     </property>
+    <property>
+      <panel-header-text/>
+    </property>
     <property>
       <text-color>#ffffff</text-color>
     </property>
diff --git a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Flatly.xml b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Flatly.xml
index 394e3472d621..53ff40d2f936 100644
--- a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Flatly.xml
+++ b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Flatly.xml
@@ -753,6 +753,19 @@
         <validationRegExp/>
         <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
       </panel-bg>
+      <panel-header-text>
+        <customDisplay/>
+        <disabled>0</disabled>
+        <name>panel-header-text</name>
+        <number>46</number>
+        <picker>0</picker>
+        <prettyName>panel-header-text</prettyName>
+        <size>30</size>
+        <unmodifiable>0</unmodifiable>
+        <validationMessage/>
+        <validationRegExp/>
+        <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
+      </panel-header-text>
       <text-color>
         <customDisplay/>
         <disabled>0</disabled>
@@ -2138,6 +2151,9 @@ a.list-group-item {
     <property>
       <panel-bg/>
     </property>
+    <property>
+      <panel-header-text/>
+    </property>
     <property>
       <text-color/>
     </property>
diff --git a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Journal.xml b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Journal.xml
index 9630d842cc32..c480dda4af9b 100644
--- a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Journal.xml
+++ b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Journal.xml
@@ -744,6 +744,19 @@
         <validationRegExp/>
         <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
       </panel-bg>
+      <panel-header-text>
+        <customDisplay/>
+        <disabled>0</disabled>
+        <name>panel-header-text</name>
+        <number>46</number>
+        <picker>0</picker>
+        <prettyName>panel-header-text</prettyName>
+        <size>30</size>
+        <unmodifiable>0</unmodifiable>
+        <validationMessage/>
+        <validationRegExp/>
+        <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
+      </panel-header-text>
       <text-color>
         <customDisplay/>
         <disabled>0</disabled>
@@ -1944,6 +1957,9 @@
     <property>
       <panel-bg/>
     </property>
+    <property>
+      <panel-header-text/>
+    </property>
     <property>
       <text-color/>
     </property>
diff --git a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Lumen.xml b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Lumen.xml
index 2c423cc545fd..d7da6951c32a 100644
--- a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Lumen.xml
+++ b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Lumen.xml
@@ -744,6 +744,19 @@
         <validationRegExp/>
         <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
       </panel-bg>
+      <panel-header-text>
+        <customDisplay/>
+        <disabled>0</disabled>
+        <name>panel-header-text</name>
+        <number>46</number>
+        <picker>0</picker>
+        <prettyName>panel-header-text</prettyName>
+        <size>30</size>
+        <unmodifiable>0</unmodifiable>
+        <validationMessage/>
+        <validationRegExp/>
+        <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
+      </panel-header-text>
       <text-color>
         <customDisplay/>
         <disabled>0</disabled>
@@ -2320,6 +2333,9 @@ a.list-group-item {
     <property>
       <panel-bg/>
     </property>
+    <property>
+      <panel-header-text/>
+    </property>
     <property>
       <text-color/>
     </property>
diff --git a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Paper.xml b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Paper.xml
index e37bcfa27a37..dc6c9f1006f7 100644
--- a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Paper.xml
+++ b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Paper.xml
@@ -744,6 +744,19 @@
         <validationRegExp/>
         <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
       </panel-bg>
+      <panel-header-text>
+        <customDisplay/>
+        <disabled>0</disabled>
+        <name>panel-header-text</name>
+        <number>46</number>
+        <picker>0</picker>
+        <prettyName>panel-header-text</prettyName>
+        <size>30</size>
+        <unmodifiable>0</unmodifiable>
+        <validationMessage/>
+        <validationRegExp/>
+        <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
+      </panel-header-text>
       <text-color>
         <customDisplay/>
         <disabled>0</disabled>
@@ -2431,6 +2444,9 @@ div.main {
     <property>
       <panel-bg/>
     </property>
+    <property>
+      <panel-header-text/>
+    </property>
     <property>
       <text-color/>
     </property>
diff --git a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Readable.xml b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Readable.xml
index 6377e76d434e..9bc4a35a70e4 100644
--- a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Readable.xml
+++ b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Readable.xml
@@ -744,6 +744,19 @@
         <validationRegExp/>
         <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
       </panel-bg>
+      <panel-header-text>
+        <customDisplay/>
+        <disabled>0</disabled>
+        <name>panel-header-text</name>
+        <number>46</number>
+        <picker>0</picker>
+        <prettyName>panel-header-text</prettyName>
+        <size>30</size>
+        <unmodifiable>0</unmodifiable>
+        <validationMessage/>
+        <validationRegExp/>
+        <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
+      </panel-header-text>
       <text-color>
         <customDisplay/>
         <disabled>0</disabled>
@@ -1997,6 +2010,9 @@ legend {
     <property>
       <panel-bg/>
     </property>
+    <property>
+      <panel-header-text/>
+    </property>
     <property>
       <text-color/>
     </property>
diff --git a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Sandstone.xml b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Sandstone.xml
index 0f23fc92f551..f246329e5208 100644
--- a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Sandstone.xml
+++ b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Sandstone.xml
@@ -753,6 +753,19 @@
         <validationRegExp/>
         <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
       </panel-bg>
+      <panel-header-text>
+        <customDisplay/>
+        <disabled>0</disabled>
+        <name>panel-header-text</name>
+        <number>46</number>
+        <picker>0</picker>
+        <prettyName>panel-header-text</prettyName>
+        <size>30</size>
+        <unmodifiable>0</unmodifiable>
+        <validationMessage/>
+        <validationRegExp/>
+        <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
+      </panel-header-text>
       <text-color>
         <customDisplay/>
         <disabled>0</disabled>
@@ -2003,6 +2016,9 @@ input,
     <property>
       <panel-bg/>
     </property>
+    <property>
+      <panel-header-text/>
+    </property>
     <property>
       <text-color/>
     </property>
diff --git a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Simplex.xml b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Simplex.xml
index aaf2aa262119..46fb6fa1116c 100644
--- a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Simplex.xml
+++ b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Simplex.xml
@@ -744,6 +744,19 @@
         <validationRegExp/>
         <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
       </panel-bg>
+      <panel-header-text>
+        <customDisplay/>
+        <disabled>0</disabled>
+        <name>panel-header-text</name>
+        <number>46</number>
+        <picker>0</picker>
+        <prettyName>panel-header-text</prettyName>
+        <size>30</size>
+        <unmodifiable>0</unmodifiable>
+        <validationMessage/>
+        <validationRegExp/>
+        <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
+      </panel-header-text>
       <text-color>
         <customDisplay/>
         <disabled>0</disabled>
@@ -1973,6 +1986,9 @@ label {
     <property>
       <panel-bg/>
     </property>
+    <property>
+      <panel-header-text/>
+    </property>
     <property>
       <text-color/>
     </property>
diff --git a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Slate.xml b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Slate.xml
index 595181f79987..3a38239fdc42 100644
--- a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Slate.xml
+++ b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Slate.xml
@@ -753,6 +753,19 @@
         <validationRegExp/>
         <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
       </panel-bg>
+      <panel-header-text>
+        <customDisplay/>
+        <disabled>0</disabled>
+        <name>panel-header-text</name>
+        <number>46</number>
+        <picker>0</picker>
+        <prettyName>panel-header-text</prettyName>
+        <size>30</size>
+        <unmodifiable>0</unmodifiable>
+        <validationMessage/>
+        <validationRegExp/>
+        <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
+      </panel-header-text>
       <text-color>
         <customDisplay/>
         <disabled>0</disabled>
@@ -2261,6 +2274,9 @@ ul.nav.nav-pills.nav-stacked li{
     <property>
       <panel-bg>#272b30</panel-bg>
     </property>
+    <property>
+      <panel-header-text/>
+    </property>
     <property>
       <text-color>#c8c8c8</text-color>
     </property>
diff --git a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Spacelab.xml b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Spacelab.xml
index 0eb8c5e63a98..d187f46d82f5 100644
--- a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Spacelab.xml
+++ b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Spacelab.xml
@@ -744,6 +744,19 @@
         <validationRegExp/>
         <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
       </panel-bg>
+      <panel-header-text>
+        <customDisplay/>
+        <disabled>0</disabled>
+        <name>panel-header-text</name>
+        <number>46</number>
+        <picker>0</picker>
+        <prettyName>panel-header-text</prettyName>
+        <size>30</size>
+        <unmodifiable>0</unmodifiable>
+        <validationMessage/>
+        <validationRegExp/>
+        <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
+      </panel-header-text>
       <text-color>
         <customDisplay/>
         <disabled>0</disabled>
@@ -1947,6 +1960,9 @@
     <property>
       <panel-bg/>
     </property>
+    <property>
+      <panel-header-text/>
+    </property>
     <property>
       <text-color/>
     </property>
diff --git a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Superhero.xml b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Superhero.xml
index 866d5f31d927..dc8f2daa0157 100644
--- a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Superhero.xml
+++ b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Superhero.xml
@@ -753,6 +753,19 @@
         <validationRegExp/>
         <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
       </panel-bg>
+      <panel-header-text>
+        <customDisplay/>
+        <disabled>0</disabled>
+        <name>panel-header-text</name>
+        <number>46</number>
+        <picker>0</picker>
+        <prettyName>panel-header-text</prettyName>
+        <size>30</size>
+        <unmodifiable>0</unmodifiable>
+        <validationMessage/>
+        <validationRegExp/>
+        <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
+      </panel-header-text>
       <text-color>
         <customDisplay/>
         <disabled>0</disabled>
@@ -2126,6 +2139,7 @@ div.main {
 }
 
 @xwiki-panel-header-text: @navbar-default-color;
+@panel-header-text: @navbar-default-color;
 @xwiki-page-content-bg:   @body-bg;
 @text-muted: @navbar-default-color;
 </lessCode>
@@ -2163,6 +2177,9 @@ div.main {
     <property>
       <panel-bg>#2b3e50</panel-bg>
     </property>
+    <property>
+      <panel-header-text/>
+    </property>
     <property>
       <text-color>#ffffff</text-color>
     </property>
diff --git a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/United.xml b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/United.xml
index bfde2577b206..3e38ef4e7314 100644
--- a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/United.xml
+++ b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/United.xml
@@ -753,6 +753,19 @@
         <validationRegExp/>
         <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
       </panel-bg>
+      <panel-header-text>
+        <customDisplay/>
+        <disabled>0</disabled>
+        <name>panel-header-text</name>
+        <number>46</number>
+        <picker>0</picker>
+        <prettyName>panel-header-text</prettyName>
+        <size>30</size>
+        <unmodifiable>0</unmodifiable>
+        <validationMessage/>
+        <validationRegExp/>
+        <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
+      </panel-header-text>
       <text-color>
         <customDisplay/>
         <disabled>0</disabled>
@@ -1865,6 +1878,9 @@
     <property>
       <panel-bg/>
     </property>
+    <property>
+      <panel-header-text/>
+    </property>
     <property>
       <text-color/>
     </property>
diff --git a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Yeti.xml b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Yeti.xml
index 12bbbebedf05..8ccc1ebe6316 100644
--- a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Yeti.xml
+++ b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-bootswatch/src/main/resources/FlamingoThemes/Yeti.xml
@@ -744,6 +744,19 @@
         <validationRegExp/>
         <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
       </panel-bg>
+      <panel-header-text>
+        <customDisplay/>
+        <disabled>0</disabled>
+        <name>panel-header-text</name>
+        <number>46</number>
+        <picker>0</picker>
+        <prettyName>panel-header-text</prettyName>
+        <size>30</size>
+        <unmodifiable>0</unmodifiable>
+        <validationMessage/>
+        <validationRegExp/>
+        <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
+      </panel-header-text>
       <text-color>
         <customDisplay/>
         <disabled>0</disabled>
@@ -2240,6 +2253,9 @@ input[type="checkbox"] {
     <property>
       <panel-bg/>
     </property>
+    <property>
+      <panel-header-text/>
+    </property>
     <property>
       <text-color/>
     </property>
diff --git a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-ui/src/main/resources/FlamingoThemes/Charcoal.xml b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-ui/src/main/resources/FlamingoThemes/Charcoal.xml
index fff89bbee77c..615aed7c4faf 100644
--- a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-ui/src/main/resources/FlamingoThemes/Charcoal.xml
+++ b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-ui/src/main/resources/FlamingoThemes/Charcoal.xml
@@ -744,6 +744,19 @@
         <validationRegExp/>
         <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
       </panel-bg>
+      <panel-header-text>
+        <customDisplay/>
+        <disabled>0</disabled>
+        <name>panel-header-text</name>
+        <number>46</number>
+        <picker>0</picker>
+        <prettyName>panel-header-text</prettyName>
+        <size>30</size>
+        <unmodifiable>0</unmodifiable>
+        <validationMessage/>
+        <validationRegExp/>
+        <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
+      </panel-header-text>
       <text-color>
         <customDisplay/>
         <disabled>0</disabled>
@@ -937,6 +950,9 @@
     <property>
       <panel-bg>#F5F5F5</panel-bg>
     </property>
+    <property>
+      <panel-header-text/>
+    </property>
     <property>
       <text-color>#333333</text-color>
     </property>
diff --git a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-ui/src/main/resources/FlamingoThemes/Garden.xml b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-ui/src/main/resources/FlamingoThemes/Garden.xml
index 4ba971a5a934..2fb0923ad334 100644
--- a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-ui/src/main/resources/FlamingoThemes/Garden.xml
+++ b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-ui/src/main/resources/FlamingoThemes/Garden.xml
@@ -753,6 +753,19 @@
         <validationRegExp/>
         <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
       </panel-bg>
+      <panel-header-text>
+        <customDisplay/>
+        <disabled>0</disabled>
+        <name>panel-header-text</name>
+        <number>46</number>
+        <picker>0</picker>
+        <prettyName>panel-header-text</prettyName>
+        <size>30</size>
+        <unmodifiable>0</unmodifiable>
+        <validationMessage/>
+        <validationRegExp/>
+        <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
+      </panel-header-text>
       <text-color>
         <customDisplay/>
         <disabled>0</disabled>
@@ -959,6 +972,9 @@ body{
     <property>
       <panel-bg/>
     </property>
+    <property>
+      <panel-header-text/>
+    </property>
     <property>
       <text-color>#030f02</text-color>
     </property>
diff --git a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-ui/src/main/resources/FlamingoThemes/Iceberg.xml b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-ui/src/main/resources/FlamingoThemes/Iceberg.xml
index 3458fe55b262..88d1ce6d8830 100644
--- a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-ui/src/main/resources/FlamingoThemes/Iceberg.xml
+++ b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-ui/src/main/resources/FlamingoThemes/Iceberg.xml
@@ -753,6 +753,19 @@
         <validationRegExp/>
         <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
       </panel-bg>
+      <panel-header-text>
+        <customDisplay/>
+        <disabled>0</disabled>
+        <name>panel-header-text</name>
+        <number>46</number>
+        <picker>0</picker>
+        <prettyName>panel-header-text</prettyName>
+        <size>30</size>
+        <unmodifiable>0</unmodifiable>
+        <validationMessage/>
+        <validationRegExp/>
+        <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
+      </panel-header-text>
       <table-bg>
         <customDisplay/>
         <disabled>0</disabled>
@@ -1013,6 +1026,9 @@
     <property>
       <panel-bg>#fafafa</panel-bg>
     </property>
+    <property>
+      <panel-header-text/>
+    </property>
     <property>
       <table-bg/>
     </property>
diff --git a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-ui/src/main/resources/FlamingoThemes/Kitty.xml b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-ui/src/main/resources/FlamingoThemes/Kitty.xml
index cc21f19fc00c..31134ee363b8 100644
--- a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-ui/src/main/resources/FlamingoThemes/Kitty.xml
+++ b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-ui/src/main/resources/FlamingoThemes/Kitty.xml
@@ -753,6 +753,19 @@
         <validationRegExp/>
         <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
       </panel-bg>
+      <panel-header-text>
+        <customDisplay/>
+        <disabled>0</disabled>
+        <name>panel-header-text</name>
+        <number>46</number>
+        <picker>0</picker>
+        <prettyName>panel-header-text</prettyName>
+        <size>30</size>
+        <unmodifiable>0</unmodifiable>
+        <validationMessage/>
+        <validationRegExp/>
+        <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
+      </panel-header-text>
       <text-color>
         <customDisplay/>
         <disabled>0</disabled>
@@ -949,6 +962,9 @@
     <property>
       <panel-bg>#faf2fa</panel-bg>
     </property>
+    <property>
+      <panel-header-text/>
+    </property>
     <property>
       <text-color>#633d63</text-color>
     </property>
diff --git a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-ui/src/main/resources/FlamingoThemes/Marina.xml b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-ui/src/main/resources/FlamingoThemes/Marina.xml
index b315722d983d..eb7d3d016628 100644
--- a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-ui/src/main/resources/FlamingoThemes/Marina.xml
+++ b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-ui/src/main/resources/FlamingoThemes/Marina.xml
@@ -753,6 +753,19 @@
         <validationRegExp/>
         <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
       </panel-bg>
+      <panel-header-text>
+        <customDisplay/>
+        <disabled>0</disabled>
+        <name>panel-header-text</name>
+        <number>46</number>
+        <picker>0</picker>
+        <prettyName>panel-header-text</prettyName>
+        <size>30</size>
+        <unmodifiable>0</unmodifiable>
+        <validationMessage/>
+        <validationRegExp/>
+        <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
+      </panel-header-text>
       <text-color>
         <customDisplay/>
         <disabled>0</disabled>
@@ -956,6 +969,9 @@
     <property>
       <panel-bg/>
     </property>
+    <property>
+      <panel-header-text/>
+    </property>
     <property>
       <text-color>#091154</text-color>
     </property>
diff --git a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-ui/src/main/resources/FlamingoThemesCode/ThemeSheet.xml b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-ui/src/main/resources/FlamingoThemesCode/ThemeSheet.xml
index 6aded42084cf..16ce728b0775 100644
--- a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-ui/src/main/resources/FlamingoThemesCode/ThemeSheet.xml
+++ b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-ui/src/main/resources/FlamingoThemesCode/ThemeSheet.xml
@@ -124,7 +124,8 @@
     "legend-border-color": "color"
    },
   "panels": {
-    "panel-bg" : "color"
+    "panel-bg" : "color",
+    "panel-header-text" : "color"
   },
   "breadcrumb": {
     "breadcrumb-bg": "color",
diff --git a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-ui/src/main/resources/FlamingoThemesCode/ThemeTemplate.xml b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-ui/src/main/resources/FlamingoThemesCode/ThemeTemplate.xml
index 5854e41d2c79..816006336b34 100644
--- a/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-ui/src/main/resources/FlamingoThemesCode/ThemeTemplate.xml
+++ b/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-theme/xwiki-platform-flamingo-theme-ui/src/main/resources/FlamingoThemesCode/ThemeTemplate.xml
@@ -744,6 +744,19 @@
         <validationRegExp/>
         <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
       </panel-bg>
+      <panel-header-text>
+        <customDisplay/>
+        <disabled>0</disabled>
+        <name>panel-header-text</name>
+        <number>46</number>
+        <picker>0</picker>
+        <prettyName>panel-header-text</prettyName>
+        <size>30</size>
+        <unmodifiable>0</unmodifiable>
+        <validationMessage/>
+        <validationRegExp/>
+        <classType>com.xpn.xwiki.objects.classes.StringClass</classType>
+      </panel-header-text>
       <text-color>
         <customDisplay/>
         <disabled>0</disabled>
@@ -936,6 +949,9 @@
     <property>
       <panel-bg/>
     </property>
+    <property>
+      <panel-header-text/>
+    </property>
     <property>
       <text-color/>
     </property>