diff --git a/src/Semi.Avalonia/Themes/Dark/Palette.axaml b/src/Semi.Avalonia/Themes/Dark/Palette.axaml
index 71c92a0..e69e146 100644
--- a/src/Semi.Avalonia/Themes/Dark/Palette.axaml
+++ b/src/Semi.Avalonia/Themes/Dark/Palette.axaml
@@ -160,6 +160,11 @@
     <Color x:Key="SemiGrey7Color">#C6CACD</Color>
     <Color x:Key="SemiGrey8Color">#E6E8EA</Color>
     <Color x:Key="SemiGrey9Color">#F9F9F9</Color>
+    <Color x:Key="SemiBackground0Color">#16161A</Color>
+    <Color x:Key="SemiBackground1Color">#232429</Color>
+    <Color x:Key="SemiBackground2Color">#35363C</Color>
+    <Color x:Key="SemiBackground3Color">#43444A</Color>
+    <Color x:Key="SemiBackground4Color">#4F5159</Color>
 
     <SolidColorBrush x:Key="SemiRed0" Color="{StaticResource SemiRed0Color}" />
     <SolidColorBrush x:Key="SemiRed1" Color="{StaticResource SemiRed1Color}" />
@@ -396,11 +401,11 @@
     <SolidColorBrush x:Key="SemiColorLinkVisited" Color="{StaticResource SemiBlue5Color}" />
 
     <!--  Background  -->
-    <SolidColorBrush x:Key="SemiColorBackground0" Color="#16161A" />
-    <SolidColorBrush x:Key="SemiColorBackground1" Color="#232429" />
-    <SolidColorBrush x:Key="SemiColorBackground2" Color="#35363C" />
-    <SolidColorBrush x:Key="SemiColorBackground3" Color="#43444A" />
-    <SolidColorBrush x:Key="SemiColorBackground4" Color="#4F5159" />
+    <SolidColorBrush x:Key="SemiColorBackground0" Color="{StaticResource SemiBackground0Color}" />
+    <SolidColorBrush x:Key="SemiColorBackground1" Color="{StaticResource SemiBackground1Color}" />
+    <SolidColorBrush x:Key="SemiColorBackground2" Color="{StaticResource SemiBackground2Color}" />
+    <SolidColorBrush x:Key="SemiColorBackground3" Color="{StaticResource SemiBackground3Color}" />
+    <SolidColorBrush x:Key="SemiColorBackground4" Color="{StaticResource SemiBackground4Color}" />
 
     <!--  Fill  -->
     <SolidColorBrush x:Key="SemiColorFill0" Opacity="0.12" Color="White" />
diff --git a/src/Semi.Avalonia/Themes/Light/Palette.axaml b/src/Semi.Avalonia/Themes/Light/Palette.axaml
index 3e280b1..f207960 100644
--- a/src/Semi.Avalonia/Themes/Light/Palette.axaml
+++ b/src/Semi.Avalonia/Themes/Light/Palette.axaml
@@ -160,6 +160,7 @@
     <Color x:Key="SemiGrey7Color">#41464C</Color>
     <Color x:Key="SemiGrey8Color">#2E3238</Color>
     <Color x:Key="SemiGrey9Color">#1C1F23</Color>
+    <Color x:Key="SemiBackgroundColor">White</Color>
 
     <SolidColorBrush x:Key="SemiRed0" Color="{StaticResource SemiRed0Color}" />
     <SolidColorBrush x:Key="SemiRed1" Color="{StaticResource SemiRed1Color}" />
@@ -396,11 +397,11 @@
     <SolidColorBrush x:Key="SemiColorLinkVisited" Color="{StaticResource SemiBlue5Color}" />
 
     <!--  Background  -->
-    <SolidColorBrush x:Key="SemiColorBackground0" Color="White" />
-    <SolidColorBrush x:Key="SemiColorBackground1" Color="White" />
-    <SolidColorBrush x:Key="SemiColorBackground2" Color="White" />
-    <SolidColorBrush x:Key="SemiColorBackground3" Color="White" />
-    <SolidColorBrush x:Key="SemiColorBackground4" Color="White" />
+    <SolidColorBrush x:Key="SemiColorBackground0" Color="{StaticResource SemiBackgroundColor}" />
+    <SolidColorBrush x:Key="SemiColorBackground1" Color="{StaticResource SemiBackgroundColor}" />
+    <SolidColorBrush x:Key="SemiColorBackground2" Color="{StaticResource SemiBackgroundColor}" />
+    <SolidColorBrush x:Key="SemiColorBackground3" Color="{StaticResource SemiBackgroundColor}" />
+    <SolidColorBrush x:Key="SemiColorBackground4" Color="{StaticResource SemiBackgroundColor}" />
 
     <!--  Fill  -->
     <SolidColorBrush x:Key="SemiColorFill0" Opacity="0.05" Color="{StaticResource SemiGrey8Color}" />