diff --git a/demo/Semi.Avalonia.Demo/Controls/ColorDetailControl.axaml b/demo/Semi.Avalonia.Demo/Controls/ColorDetailControl.axaml
new file mode 100644
index 0000000..81d842e
--- /dev/null
+++ b/demo/Semi.Avalonia.Demo/Controls/ColorDetailControl.axaml
@@ -0,0 +1,109 @@
+<ResourceDictionary
+    xmlns="https://github.com/avaloniaui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:controls="clr-namespace:Semi.Avalonia.Demo.Controls">
+    <PathGeometry x:Key="CopyIcon">M5 7C3.89543 7 3 7.89543 3 9V19C3 20.1046 3.89543 21 5 21H15C16.1046 21 17 20.1046 17 19V9C17 7.89543 16.1046 7 15 7H5Z,M7 4C7 2.89543 7.89543 2 9 2H20C21.1046 2 22 2.89543 22 4V15C22 16.1046 21.1046 17 20 17H19V8C19 6 18 5 16 5H7V4Z</PathGeometry>
+    <ControlTheme x:Key="{x:Type controls:ColorDetailControl}" TargetType="controls:ColorDetailControl">
+        <!--  Add Resources Here  -->
+        <Setter Property="controls:ColorDetailControl.Template">
+            <ControlTemplate TargetType="controls:ColorDetailControl">
+                <StackPanel>
+                    <TextBlock
+                        Margin="0,0,0,8"
+                        Classes="H5"
+                        Text="{TemplateBinding ResourceName}"
+                        Theme="{DynamicResource TitleTextBlock}" />
+                    <Border
+                        Height="100"
+                        HorizontalAlignment="Stretch"
+                        Background="{TemplateBinding Background}"
+                        CornerRadius="6" />
+                    <Grid ColumnDefinitions="*, Auto" RowDefinitions="*, *, *, *, *, *">
+                        <!--  Row 0-1 ResourceKey  -->
+                        <TextBlock
+                            Grid.Column="0"
+                            Grid.ColumnSpan="2"
+                            Margin="4,8,0,0"
+                            VerticalAlignment="Center"
+                            Classes="Tertiary"
+                            Text="ResourceKey" />
+                        <SelectableTextBlock
+                            Grid.Row="1"
+                            Grid.Column="0"
+                            VerticalAlignment="Center"
+                            Text="{TemplateBinding ResourceKey}" />
+                        <Button
+                            Grid.Row="1"
+                            Grid.Column="1"
+                            Classes="Tertiary"
+                            Command="{Binding $parent[controls:ColorDetailControl].Copy}"
+                            CommandParameter="{x:Static controls:ColorDetailControl.KEY_ResourceKey}"
+                            Theme="{DynamicResource BorderlessButton}">
+                            <PathIcon
+                                Width="12"
+                                Height="12"
+                                Data="{StaticResource CopyIcon}"
+                                Foreground="{Binding $parent[Button].Foreground}" />
+                        </Button>
+
+                        <!--  Row 2-3 HEX  -->
+                        <TextBlock
+                            Grid.Row="2"
+                            Grid.Column="0"
+                            Grid.ColumnSpan="2"
+                            Margin="4,8,0,0"
+                            VerticalAlignment="Center"
+                            Classes="Tertiary"
+                            Text="ARGB" />
+                        <SelectableTextBlock
+                            Grid.Row="3"
+                            Grid.Column="0"
+                            VerticalAlignment="Center"
+                            Text="{TemplateBinding Hex}" />
+                        <Button
+                            Grid.Row="3"
+                            Grid.Column="1"
+                            Classes="Tertiary"
+                            Command="{Binding $parent[controls:ColorDetailControl].Copy}"
+                            CommandParameter="{x:Static controls:ColorDetailControl.KEY_Hex}"
+                            Theme="{DynamicResource BorderlessButton}">
+                            <PathIcon
+                                Width="12"
+                                Height="12"
+                                Data="{StaticResource CopyIcon}"
+                                Foreground="{Binding $parent[Button].Foreground}" />
+                        </Button>
+
+                        <!--  Row 4-5 Opacity  -->
+                        <TextBlock
+                            Grid.Row="4"
+                            Grid.Column="0"
+                            Grid.ColumnSpan="2"
+                            Margin="4,8,0,0"
+                            VerticalAlignment="Center"
+                            Classes="Tertiary"
+                            Text="Opacity" />
+                        <SelectableTextBlock
+                            Grid.Row="5"
+                            Grid.Column="0"
+                            VerticalAlignment="Center"
+                            Text="{TemplateBinding OpacityNumber}" />
+                        <Button
+                            Grid.Row="5"
+                            Grid.Column="1"
+                            Classes="Tertiary"
+                            Command="{Binding $parent[controls:ColorDetailControl].Copy}"
+                            CommandParameter="{x:Static controls:ColorDetailControl.KEY_Opacity}"
+                            Theme="{DynamicResource BorderlessButton}">
+                            <PathIcon
+                                Width="12"
+                                Height="12"
+                                Data="{StaticResource CopyIcon}"
+                                Foreground="{Binding $parent[Button].Foreground}" />
+                        </Button>
+                    </Grid>
+                </StackPanel>
+            </ControlTemplate>
+        </Setter>
+    </ControlTheme>
+</ResourceDictionary>
diff --git a/demo/Semi.Avalonia.Demo/Controls/ColorDetailControl.cs b/demo/Semi.Avalonia.Demo/Controls/ColorDetailControl.cs
new file mode 100644
index 0000000..0dfc7d8
--- /dev/null
+++ b/demo/Semi.Avalonia.Demo/Controls/ColorDetailControl.cs
@@ -0,0 +1,91 @@
+using System.Globalization;
+using Avalonia;
+using Avalonia.Controls.Primitives;
+using Avalonia.Input.Platform;
+using Avalonia.Media;
+using Avalonia.Media.Immutable;
+
+namespace Semi.Avalonia.Demo.Controls;
+
+public class ColorDetailControl: TemplatedControl
+{
+    public const string KEY_ResourceKey = "ResourceKey";
+    public const string KEY_Hex = "Hex";
+    public const string KEY_Opacity = "Opacity";
+    
+    public static readonly StyledProperty<string?> ResourceKeyProperty = AvaloniaProperty.Register<ColorDetailControl, string?>(
+        nameof(ResourceKey));
+    public string? ResourceKey
+    {
+        get => GetValue(ResourceKeyProperty);
+        set => SetValue(ResourceKeyProperty, value);
+    }
+
+    public static readonly StyledProperty<string?> ResourceNameProperty = AvaloniaProperty.Register<ColorDetailControl, string?>(
+        nameof(ResourceName));
+
+    public string? ResourceName
+    {
+        get => GetValue(ResourceNameProperty);
+        set => SetValue(ResourceNameProperty, value);
+    }
+
+    public static readonly DirectProperty<ColorDetailControl, string?> HexProperty = AvaloniaProperty.RegisterDirect<ColorDetailControl, string?>(
+        nameof(Hex), o => o.Hex);
+    private string? _hex;
+    public string? Hex
+    {
+        get => _hex;
+        private set => SetAndRaise(HexProperty, ref _hex, value);
+    }
+    
+    public static readonly DirectProperty<ColorDetailControl, string?> OpacityNumberProperty = AvaloniaProperty.RegisterDirect<ColorDetailControl, string?>(
+        nameof(OpacityNumber), o => o.OpacityNumber);
+    private string? _opacityNumber;
+    public string? OpacityNumber
+    {
+        get => _opacityNumber;
+        private set => SetAndRaise(OpacityNumberProperty, ref _opacityNumber, value);
+    }
+    
+    
+    static ColorDetailControl()
+    {
+        BackgroundProperty.Changed.AddClassHandler<ColorDetailControl>((o, e) => o.OnBackgroundChanged(e));
+    }
+
+    private void OnBackgroundChanged(AvaloniaPropertyChangedEventArgs args)
+    {
+        var color = args.GetNewValue<IBrush>();
+        if (color is ISolidColorBrush b)
+        {
+            Hex = b.Color.ToString().ToUpperInvariant();
+            OpacityNumber = b.Opacity.ToString(CultureInfo.InvariantCulture);
+        }
+    }
+
+    public async void Copy(object o)
+    {
+        string? text = null;
+        if (o is string s)
+        {
+            switch (s)
+            {
+                case KEY_ResourceKey: text = ResourceKey;
+                    break;
+                case KEY_Hex: text = Hex;
+                    break;
+                case KEY_Opacity: text = OpacityNumber;
+                    break;
+                default: text = string.Empty; break;
+            }
+        }
+
+        if (Application.Current is { Clipboard: { } c })
+        {
+            await c.SetTextAsync(text??string.Empty);
+        }
+        
+    }
+    
+}
\ No newline at end of file
diff --git a/demo/Semi.Avalonia.Demo/Controls/ColorItemControl.axaml b/demo/Semi.Avalonia.Demo/Controls/ColorItemControl.axaml
index 479f9ba..a1274b3 100644
--- a/demo/Semi.Avalonia.Demo/Controls/ColorItemControl.axaml
+++ b/demo/Semi.Avalonia.Demo/Controls/ColorItemControl.axaml
@@ -27,7 +27,7 @@
                             Name="PART_HexTextBlock"
                             Padding="8"
                             VerticalAlignment="Bottom"
-                            FontSize="8"
+                            FontSize="10"
                             Foreground="{TemplateBinding Foreground}"
                             IsVisible="False"
                             Opacity="0.8"
diff --git a/demo/Semi.Avalonia.Demo/Pages/PaletteDemo.axaml b/demo/Semi.Avalonia.Demo/Pages/PaletteDemo.axaml
index c90235e..3ed09a5 100644
--- a/demo/Semi.Avalonia.Demo/Pages/PaletteDemo.axaml
+++ b/demo/Semi.Avalonia.Demo/Pages/PaletteDemo.axaml
@@ -16,6 +16,7 @@
         <ResourceDictionary>
             <ResourceDictionary.MergedDictionaries>
                 <ResourceInclude Source="../Controls/ColorItemControl.axaml" />
+                <ResourceInclude Source="../Controls/ColorDetailControl.axaml" />
             </ResourceDictionary.MergedDictionaries>
         </ResourceDictionary>
     </UserControl.Resources>
@@ -31,6 +32,7 @@
                 <ToggleButton
                     Name="toggle"
                     HorizontalAlignment="Right"
+                    IsChecked="True"
                     Theme="{DynamicResource BorderlessToggleButton}">
                     <PathIcon
                         Width="16"
@@ -38,39 +40,34 @@
                         Data="M5 2H19C20.6569 2 22 3.34315 22 5V19C22 20.6569 20.6569 22 19 22H5C3.34315 22 2 20.6569 2 19V5C2 3.34315 3.34315 2 5 2ZM6 4C5.44772 4 5 4.44772 5 5V19C5 19.5523 5.44772 20 6 20H9C9.55229 20 10 19.5523 10 19V5C10 4.44772 9.55229 4 9 4H6Z" />
                 </ToggleButton>
                 <Border IsVisible="{Binding #splitView.IsPaneOpen}" Theme="{DynamicResource CardBorder}">
-                    <StackPanel DataContext="{Binding SelectedColor}" Spacing="8">
-                        <Border
-                            Height="30"
-                            HorizontalAlignment="Stretch"
-                            Background="{Binding Color}"
-                            CornerRadius="3" />
-                        <Label Classes="Code" Content="{Binding ResourceKey}" />
-                        <TextBlock Text="{Binding Color}" />
-                    </StackPanel>
+                    <controls:ColorDetailControl
+                        Background="{Binding SelectedColor.Brush}"
+                        IsVisible="{Binding SelectedColor, Converter={x:Static ObjectConverters.IsNotNull}}"
+                        ResourceKey="{Binding SelectedColor.ResourceKey}"
+                        ResourceName="{Binding SelectedColor.ColorDisplayName}" />
                 </Border>
             </StackPanel>
-
         </SplitView.Pane>
         <SplitView.Content>
             <ScrollViewer>
                 <StackPanel>
                     <TabControl>
                         <TabItem Header="Light">
-                            <ItemsControl Margin="16" Items="{Binding LightSeries}">
+                            <ItemsControl Margin="16" Items="{Binding LightLists}">
                                 <ItemsControl.ItemsPanel>
                                     <ItemsPanelTemplate>
                                         <WrapPanel Orientation="Horizontal" />
                                     </ItemsPanelTemplate>
                                 </ItemsControl.ItemsPanel>
                                 <ItemsControl.ItemTemplate>
-                                    <DataTemplate x:DataType="viewModels:ColorSeries">
+                                    <DataTemplate x:DataType="viewModels:ColorListViewModel">
                                         <ItemsControl Margin="4,0" Items="{Binding Color}">
                                             <ItemsControl.ItemTemplate>
                                                 <DataTemplate x:DataType="viewModels:ColorItemViewModel">
                                                     <controls:ColorItemControl
-                                                        Background="{Binding Color}"
-                                                        ColorName="{Binding Name}"
-                                                        Foreground="{Binding TextColor}"
+                                                        Background="{Binding Brush}"
+                                                        ColorName="{Binding ColorDisplayName}"
+                                                        Foreground="{Binding TextBrush}"
                                                         Hex="{Binding Hex}" />
                                                 </DataTemplate>
                                             </ItemsControl.ItemTemplate>
@@ -80,21 +77,21 @@
                             </ItemsControl>
                         </TabItem>
                         <TabItem Header="Dark">
-                            <ItemsControl Margin="16" Items="{Binding DarkSeries}">
+                            <ItemsControl Margin="16" Items="{Binding DarkLists}">
                                 <ItemsControl.ItemsPanel>
                                     <ItemsPanelTemplate>
                                         <WrapPanel Orientation="Horizontal" />
                                     </ItemsPanelTemplate>
                                 </ItemsControl.ItemsPanel>
                                 <ItemsControl.ItemTemplate>
-                                    <DataTemplate x:DataType="viewModels:ColorSeries">
+                                    <DataTemplate x:DataType="viewModels:ColorListViewModel">
                                         <ItemsControl Margin="4,0" Items="{Binding Color}">
                                             <ItemsControl.ItemTemplate>
                                                 <DataTemplate x:DataType="viewModels:ColorItemViewModel">
                                                     <controls:ColorItemControl
-                                                        Background="{Binding Color}"
-                                                        ColorName="{Binding Name}"
-                                                        Foreground="{Binding TextColor}"
+                                                        Background="{Binding Brush}"
+                                                        ColorName="{Binding ColorDisplayName}"
+                                                        Foreground="{Binding TextBrush}"
                                                         Hex="{Binding Hex}" />
                                                 </DataTemplate>
                                             </ItemsControl.ItemTemplate>
diff --git a/demo/Semi.Avalonia.Demo/ViewModels/PaletteDemoViewModel.cs b/demo/Semi.Avalonia.Demo/ViewModels/PaletteDemoViewModel.cs
index 8cf0939..1b89ecb 100644
--- a/demo/Semi.Avalonia.Demo/ViewModels/PaletteDemoViewModel.cs
+++ b/demo/Semi.Avalonia.Demo/ViewModels/PaletteDemoViewModel.cs
@@ -10,9 +10,10 @@ namespace Semi.Avalonia.Demo.ViewModels;
 
 public class PaletteDemoViewModel: ObservableObject
 {
-    private string[] _colors = { "Amber","Blue","Cyan","Green","Grey","Indigo","LightBlue","LightGreen","Lime","Orange","Pink","Purple","Red","Teal","Violet","Yellow" };
-    private ObservableCollection<ColorSeries> _lightSeries;
-
+    private readonly string[] _predefinedColorNames = { "Amber","Blue","Cyan","Green","Grey","Indigo","LightBlue","LightGreen","Lime","Orange","Pink","Purple","Red","Teal","Violet","Yellow" };
+    private IResourceDictionary _lightResourceDictionary;
+    private IResourceDictionary _darkResourceDictionary;
+    
     private ColorItemViewModel _selectedColor;
 
     public ColorItemViewModel SelectedColor
@@ -20,49 +21,54 @@ public class PaletteDemoViewModel: ObservableObject
         get => _selectedColor;
         set => SetProperty(ref _selectedColor, value);
     }
-
-    public ObservableCollection<ColorSeries> LightSeries
-    {
-        get => _lightSeries;
-        set => SetProperty(ref _lightSeries, value);
-    }
     
-    private ObservableCollection<ColorSeries> _darkSeries;
-
-    public ObservableCollection<ColorSeries> DarkSeries
+    
+    private ObservableCollection<ColorListViewModel> _lightLists;
+    public ObservableCollection<ColorListViewModel> LightLists
     {
-        get => _darkSeries;
-        set => SetProperty(ref _darkSeries, value);
+        get => _lightLists;
+        set => SetProperty(ref _lightLists, value);
+    }
+    private ObservableCollection<ColorListViewModel> _darkLists;
+    public ObservableCollection<ColorListViewModel> DarkLists
+    {
+        get => _darkLists;
+        set => SetProperty(ref _darkLists, value);
     }
 
     public PaletteDemoViewModel()
     {
-        LightSeries = new ObservableCollection<ColorSeries>();
-        var lightResourceDictionary = (ResourceDictionary)(AvaloniaXamlLoader.Load(new Uri("avares://Semi.Avalonia/Themes/Light/Palette.axaml")));
-        foreach (var color in _colors)
-        {
-            ColorSeries s = new ColorSeries();
-            s.Initialize(lightResourceDictionary, color, true);
-            LightSeries.Add(s);
-        }
-        DarkSeries = new ObservableCollection<ColorSeries>();
-        var darkResouceDictionary = (ResourceDictionary)(AvaloniaXamlLoader.Load(new Uri("avares://Semi.Avalonia/Themes/Dark/Palette.axaml")));
-        foreach (var color in _colors)
-        {
-            ColorSeries s = new ColorSeries();
-            s.Initialize(darkResouceDictionary, color, false);
-            DarkSeries.Add(s);
-        }
+        _lightResourceDictionary = (ResourceDictionary)AvaloniaXamlLoader.Load(new Uri("avares://Semi.Avalonia/Themes/Light/Palette.axaml"));
+        _darkResourceDictionary = (ResourceDictionary)AvaloniaXamlLoader.Load(new Uri("avares://Semi.Avalonia/Themes/Dark/Palette.axaml"));
+        InitializePalette();
         WeakReferenceMessenger.Default.Register<PaletteDemoViewModel, ColorItemViewModel>(this, OnClickColorItem);
     }
 
+    private void InitializePalette()
+    {
+        LightLists = new ObservableCollection<ColorListViewModel>();
+        foreach (var color in _predefinedColorNames)
+        {
+            ColorListViewModel s = new ColorListViewModel();
+            s.Initialize(_lightResourceDictionary, color, true);
+            LightLists.Add(s);
+        }
+        DarkLists = new ObservableCollection<ColorListViewModel>();
+        foreach (var color in _predefinedColorNames)
+        {
+            ColorListViewModel s = new ColorListViewModel();
+            s.Initialize(_darkResourceDictionary, color, false);
+            DarkLists.Add(s);
+        }
+    }
+
     private void OnClickColorItem(PaletteDemoViewModel vm, ColorItemViewModel item)
     {
         SelectedColor = item;
     }
 }
 
-public class ColorSeries: ObservableObject
+public class ColorListViewModel: ObservableObject
 {
     private ObservableCollection<ColorItemViewModel>? _colors;
 
@@ -104,25 +110,25 @@ public class ColorSeries: ObservableObject
 public class ColorItemViewModel : ObservableObject
 {
 
-    private IBrush _color;
-    public IBrush Color
+    private IBrush _brush;
+    public IBrush Brush
     {
-        get => _color;
-        set => SetProperty(ref _color, value);
+        get => _brush;
+        set => SetProperty(ref _brush, value);
     }
     
-    private IBrush _textColor;
-    public IBrush TextColor
+    private IBrush _textBrush;
+    public IBrush TextBrush
     {
-        get => _textColor;
-        set => SetProperty(ref _textColor, value);
+        get => _textBrush;
+        set => SetProperty(ref _textBrush, value);
     }
 
-    private string _name;
-    public string Name
+    private string _colorDisplayName;
+    public string ColorDisplayName
     {
-        get => _name;
-        set => SetProperty(ref _name, value);
+        get => _colorDisplayName;
+        set => SetProperty(ref _colorDisplayName, value);
     }
 
     private string _resourceKey;
@@ -141,19 +147,19 @@ public class ColorItemViewModel : ObservableObject
         set => SetProperty(ref _hex, value);
     }
     
-    public ColorItemViewModel(string name, IBrush color, string resourceKey, bool light, int index)
+    public ColorItemViewModel(string colorDisplayName, IBrush brush, string resourceKey, bool light, int index)
     {
-        Name = name;
-        Color = color;
+        ColorDisplayName = colorDisplayName;
+        Brush = brush;
         ResourceKey = resourceKey;
-        Hex = color.ToString().ToUpperInvariant();
+        Hex = brush.ToString().ToUpperInvariant();
         if ((light && index < 5) || (!light && index > 5))
         {
-            TextColor = Brushes.Black;
+            TextBrush = Brushes.Black;
         }
         else
         {
-            TextColor = Brushes.White;
+            TextBrush = Brushes.White;
         }
     }
 }
\ No newline at end of file
diff --git a/src/Semi.Avalonia/Themes/Dark/SplitView.axaml b/src/Semi.Avalonia/Themes/Dark/SplitView.axaml
index 3d12d13..ff349b5 100644
--- a/src/Semi.Avalonia/Themes/Dark/SplitView.axaml
+++ b/src/Semi.Avalonia/Themes/Dark/SplitView.axaml
@@ -9,5 +9,5 @@
     <sys:TimeSpan x:Key="SplitViewPaneAnimationCloseDuration">00:00:00.1</sys:TimeSpan>
     <Easing x:Key="SplitViewPaneAnimationEasing">0.1,0.9,0.2,1.0</Easing>
     <SolidColorBrush x:Key="SplitViewSeparatorBackground" Opacity="0.08" Color="#F9F9F9" />
-    <SolidColorBrush x:Key="SplitViewPaneBackground" Color="Black" />
+    <SolidColorBrush x:Key="SplitViewPaneBackground" Color="#16161A" />
 </ResourceDictionary>