diff --git a/src/Semi.Avalonia/Themes/Dark/Palette.axaml b/src/Semi.Avalonia/Themes/Dark/Palette.axaml
index e69e146..9fa8732 100644
--- a/src/Semi.Avalonia/Themes/Dark/Palette.axaml
+++ b/src/Semi.Avalonia/Themes/Dark/Palette.axaml
@@ -421,4 +421,8 @@
     <SolidColorBrush x:Key="SemiColorDisabledBackground" Color="{StaticResource SemiGrey1Color}" />
 
     <SolidColorBrush x:Key="SemiColorDisabledFill" Opacity="0.04" Color="{StaticResource SemiGrey8Color}" />
+
+    <!--  Shadow  -->
+    <BoxShadows x:Key="SemiColorShadow">0 0 0 0 #0A000000</BoxShadows>
+    <BoxShadows x:Key="SemiShadowElevated">inset 0 0 0 1 #1AFFFFFF, 0 4 14 0 #40000000</BoxShadows>
 </ResourceDictionary>
\ No newline at end of file
diff --git a/src/Semi.Avalonia/Themes/Light/Palette.axaml b/src/Semi.Avalonia/Themes/Light/Palette.axaml
index 9e006f9..9be8e8f 100644
--- a/src/Semi.Avalonia/Themes/Light/Palette.axaml
+++ b/src/Semi.Avalonia/Themes/Light/Palette.axaml
@@ -421,4 +421,8 @@
     <SolidColorBrush x:Key="SemiColorDisabledBackground" Color="{StaticResource SemiGrey1Color}" />
     <!-- Official Opacity=0.04 -->
     <SolidColorBrush x:Key="SemiColorDisabledFill" Opacity="0.02" Color="{StaticResource SemiGrey8Color}" />
+
+    <!--  Shadow  -->
+    <BoxShadows x:Key="SemiColorShadow">0 0 0 0 #0A000000</BoxShadows>
+    <BoxShadows x:Key="SemiShadowElevated">0 0 1 0 #4A000000, 0 4 14 0 #1A000000</BoxShadows>
 </ResourceDictionary>
\ No newline at end of file