diff --git a/Fluent.Ribbon/Themes/Controls/BackstageTabControl.xaml b/Fluent.Ribbon/Themes/Controls/BackstageTabControl.xaml
index c855cf35..dead01ad 100644
--- a/Fluent.Ribbon/Themes/Controls/BackstageTabControl.xaml
+++ b/Fluent.Ribbon/Themes/Controls/BackstageTabControl.xaml
@@ -215,8 +215,7 @@
             </Grid.ColumnDefinitions>
 
             <Grid x:Name="PART_ItemsPanelContainer"
-                  VerticalAlignment="Stretch"
-                  Background="{DynamicResource Fluent.Ribbon.Brushes.White}">
+                  VerticalAlignment="Stretch">
                 <Grid Background="{TemplateBinding ItemsPanelBackground}"
                       KeyboardNavigation.DirectionalNavigation="Cycle">
                     <Grid.RowDefinitions>
diff --git a/Fluent.Ribbon/Themes/Themes/GeneratorParameters.json b/Fluent.Ribbon/Themes/Themes/GeneratorParameters.json
index 212b8764..c5681559 100644
--- a/Fluent.Ribbon/Themes/Themes/GeneratorParameters.json
+++ b/Fluent.Ribbon/Themes/Themes/GeneratorParameters.json
@@ -94,10 +94,10 @@
         "Fluent.Ribbon.Colors.Gray9": "#5EC9C9C9",
         "Fluent.Ribbon.Colors.Gray10": "#FFF7F7F7",
         "Fluent.Ribbon.Brushes.BackstageTabControl.Background": "#FFFAFAFA",
-        "Fluent.Ribbon.Brushes.BackstageTabControl.ItemsPanelBackground": "#FFF9F9F9",
-        "Fluent.Ribbon.Brushes.DropDown.Background": "#FFF9F9F9",
+        "Fluent.Ribbon.Brushes.BackstageTabControl.ItemsPanelBackground": "#FFF7F7F7",
+        "Fluent.Ribbon.Brushes.DropDown.Background": "#FFF7F7F7",
         "Fluent.Ribbon.Brushes.RibbonTabControl.Background": "Transparent",
-        "Fluent.Ribbon.Brushes.RibbonTabControl.Content.Background": "#FFF9F9F9",
+        "Fluent.Ribbon.Brushes.RibbonTabControl.Content.Background": "#FFF7F7F7",
         "Fluent.Ribbon.Brushes.RibbonWindow.Background": "#FFFAFAFA",
         "Fluent.Ribbon.Brushes.RibbonWindow.Background.Backdrop.Acrylic": "#60FFFFFF",
         "Fluent.Ribbon.Brushes.RibbonWindow.Background.Backdrop.Auto": "#BBFFFFFF",