diff --git a/src/Resources/Themes/Dark.xaml b/src/Resources/Themes/Dark.xaml
index affa3649..f3a3c371 100644
--- a/src/Resources/Themes/Dark.xaml
+++ b/src/Resources/Themes/Dark.xaml
@@ -18,6 +18,7 @@
     <SolidColorBrush x:Key="Brush.Border1" Color="#FF7C7C7C"/>
     <SolidColorBrush x:Key="Brush.Border2" Color="#FF404040"/>
     <SolidColorBrush x:Key="Brush.Border3" Color="#FF252525"/>
+    <SolidColorBrush x:Key="Brush.Border4" Color="#FF252525"/>
     <SolidColorBrush x:Key="Brush.FG1" Color="#FFF1F1F1"/>
     <SolidColorBrush x:Key="Brush.FG2" Color="#40F1F1F1"/>
     <SolidColorBrush x:Key="Brush.FG3" Color="#FF252525"/>
diff --git a/src/Resources/Themes/Light.xaml b/src/Resources/Themes/Light.xaml
index ee886bfc..41c4a89a 100644
--- a/src/Resources/Themes/Light.xaml
+++ b/src/Resources/Themes/Light.xaml
@@ -8,16 +8,17 @@
     <SolidColorBrush x:Key="Brush.NewPageHover" Color="#1D000000"/>
     <SolidColorBrush x:Key="Brush.Popup" Color="White"/>
     <SolidColorBrush x:Key="Brush.Contents" Color="White"/>
-    <SolidColorBrush x:Key="Brush.Badge" Color="#FF8F8F8F"/>
-    <SolidColorBrush x:Key="Brush.CommitViewer" Color="#FFF2F2F2"/>
-    <SolidColorBrush x:Key="Brush.GroupBar" Color="#FFCDCDCD"/>
-    <SolidColorBrush x:Key="Brush.GroupContent" Color="#FFE8E8E8"/>
+    <SolidColorBrush x:Key="Brush.Badge" Color="#FFAFAFAF"/>
+    <SolidColorBrush x:Key="Brush.CommitViewer" Color="#FFF0F0F0"/>
+    <SolidColorBrush x:Key="Brush.GroupBar" Color="#FFE8E8E8"/>
+    <SolidColorBrush x:Key="Brush.GroupContent" Color="#FFF8F8F8"/>
     <SolidColorBrush x:Key="Brush.Decorator" Color="#FFBDBDBD"/>
     <SolidColorBrush x:Key="Brush.Conflict" Color="#FF836C2E"/>
     
     <SolidColorBrush x:Key="Brush.Border1" Color="#FF898989"/>
     <SolidColorBrush x:Key="Brush.Border2" Color="#FFCFCFCF"/>
     <SolidColorBrush x:Key="Brush.Border3" Color="#FFEFEFEF"/>
+    <SolidColorBrush x:Key="Brush.Border4" Color="#FFF2F2F2"/>
     <SolidColorBrush x:Key="Brush.FG1" Color="#FF1F1F1F"/>
     <SolidColorBrush x:Key="Brush.FG2" Color="#FF6F6F6F"/>
     <SolidColorBrush x:Key="Brush.FG3" Color="#FFFFFFFF"/>
diff --git a/src/UI/Dashboard.xaml b/src/UI/Dashboard.xaml
index 79601824..e85c2064 100644
--- a/src/UI/Dashboard.xaml
+++ b/src/UI/Dashboard.xaml
@@ -493,7 +493,7 @@
             </Grid>
 
             <!-- Splitter -->
-            <GridSplitter Grid.Column="1" Width="1" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Background="{StaticResource Brush.GroupContent}"/>
+            <GridSplitter Grid.Column="1" Width="1" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Background="{StaticResource Brush.Border4}"/>
 
             <!-- Right -->
             <Grid Grid.Column="2">