diff --git a/Source/Installer/Product.wxs b/Source/Installer/Product.wxs
index dc02f901..34378a8f 100644
--- a/Source/Installer/Product.wxs
+++ b/Source/Installer/Product.wxs
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Wix xmlns="http://schemas.microsoft.com/wix/2006/wi">
-  <Product Id="*" Name="Monitorian" Manufacturer="emoacht" Version="3.10.1"
+  <Product Id="*" Name="Monitorian" Manufacturer="emoacht" Version="3.11.0"
            Language="1033" Codepage="1252" UpgradeCode="{81A4D148-75D3-462E-938D-8C208FB48E3C}">
     <Package Id="*" InstallerVersion="500" Compressed="yes"
              InstallScope="perMachine" InstallPrivileges="elevated"
diff --git a/Source/Monitorian.Core/AppControllerCore.cs b/Source/Monitorian.Core/AppControllerCore.cs
index 551300c6..0f23533f 100644
--- a/Source/Monitorian.Core/AppControllerCore.cs
+++ b/Source/Monitorian.Core/AppControllerCore.cs
@@ -155,6 +155,9 @@ protected virtual void ShowMenuWindow(Point pivot)
 
 		protected virtual async void OnSettingsInitiated()
 		{
+			if (Settings.UsesAccentColor)
+				WindowPainter.AttachAccentColors();
+
 			if (Settings.MakesOperationLog)
 				await Recorder.EnableAsync("Initiated");
 		}
@@ -163,6 +166,14 @@ protected virtual async void OnSettingsChanged(object sender, PropertyChangedEve
 		{
 			switch (e.PropertyName)
 			{
+				case nameof(Settings.UsesAccentColor):
+					if (Settings.UsesAccentColor)
+						WindowPainter.AttachAccentColors();
+					else
+						WindowPainter.DetachAccentColors();
+
+					break;
+
 				case nameof(Settings.EnablesUnison) when !Settings.EnablesUnison:
 					foreach (var m in Monitors)
 						m.IsUnison = false;
diff --git a/Source/Monitorian.Core/Models/SettingsCore.cs b/Source/Monitorian.Core/Models/SettingsCore.cs
index 74b0beb9..c328839e 100644
--- a/Source/Monitorian.Core/Models/SettingsCore.cs
+++ b/Source/Monitorian.Core/Models/SettingsCore.cs
@@ -31,6 +31,17 @@ public bool UsesLargeElements
 		}
 		private bool _usesLargeElements = true; // Default
 
+		/// <summary>
+		/// Whether to use accent color for brightness
+		/// </summary>
+		[DataMember]
+		public bool UsesAccentColor
+		{
+			get => _usesAccentColor;
+			set => SetPropertyValue(ref _usesAccentColor, value);
+		}
+		private bool _usesAccentColor;
+
 		/// <summary>
 		/// Whether to show adjusted brightness
 		/// </summary>
diff --git a/Source/Monitorian.Core/Models/Watcher/BrightnessWatcher.cs b/Source/Monitorian.Core/Models/Watcher/BrightnessWatcher.cs
index d4e49a79..3aded9d0 100644
--- a/Source/Monitorian.Core/Models/Watcher/BrightnessWatcher.cs
+++ b/Source/Monitorian.Core/Models/Watcher/BrightnessWatcher.cs
@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Management;
+using System.Runtime.InteropServices;
 using System.Text;
 using System.Threading.Tasks;
 
@@ -68,11 +69,11 @@ protected virtual void Dispose(bool disposing)
 					if (_watcher is not null)
 					{
 						_watcher.EventArrived -= OnEventArrived;
-						_watcher.Stop(); // This may throw InvalidCastException.
+						_watcher.Stop(); // This may throw InvalidCastException or COMException.
 						_watcher.Dispose();
 					}
 				}
-				catch (InvalidCastException)
+				catch (Exception ex) when (ex is InvalidCastException or COMException)
 				{
 				}
 			}
diff --git a/Source/Monitorian.Core/Properties/AssemblyInfo.cs b/Source/Monitorian.Core/Properties/AssemblyInfo.cs
index 9431be9c..5fc2dbaf 100644
--- a/Source/Monitorian.Core/Properties/AssemblyInfo.cs
+++ b/Source/Monitorian.Core/Properties/AssemblyInfo.cs
@@ -33,8 +33,8 @@
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("3.10.1.0")]
-[assembly: AssemblyFileVersion("3.10.1.0")]
+[assembly: AssemblyVersion("3.11.0.0")]
+[assembly: AssemblyFileVersion("3.11.0.0")]
 [assembly: NeutralResourcesLanguage("en-US")]
 
 // For unit test
diff --git a/Source/Monitorian.Core/Properties/Resources.Designer.cs b/Source/Monitorian.Core/Properties/Resources.Designer.cs
index 224ea2bc..96046605 100644
--- a/Source/Monitorian.Core/Properties/Resources.Designer.cs
+++ b/Source/Monitorian.Core/Properties/Resources.Designer.cs
@@ -222,6 +222,15 @@ public static string Rescan {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to Restore brightness on reconnection.
+        /// </summary>
+        public static string RestoreReconnection {
+            get {
+                return ResourceManager.GetString("RestoreReconnection", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to Settings.
         /// </summary>
@@ -285,6 +294,15 @@ public static string StatusReasonDdcNotEnabled {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to Use accent color for brightness.
+        /// </summary>
+        public static string UseAccentColor {
+            get {
+                return ResourceManager.GetString("UseAccentColor", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to Use large sliders.
         /// </summary>
diff --git a/Source/Monitorian.Core/Properties/Resources.ja-JP.resx b/Source/Monitorian.Core/Properties/Resources.ja-JP.resx
index 69654052..f32702c8 100644
--- a/Source/Monitorian.Core/Properties/Resources.ja-JP.resx
+++ b/Source/Monitorian.Core/Properties/Resources.ja-JP.resx
@@ -171,6 +171,9 @@
   <data name="Rescan" xml:space="preserve">
     <value>モニターを再探索する</value>
   </data>
+  <data name="RestoreReconnection" xml:space="preserve">
+    <value>再接続時に明るさを復元する</value>
+  </data>
   <data name="Settings" xml:space="preserve">
     <value>設定</value>
   </data>
@@ -192,6 +195,9 @@
   <data name="StatusReasonDdcNotEnabled" xml:space="preserve">
     <value>DDC/CIがサポートされていないか有効になっていません。</value>
   </data>
+  <data name="UseAccentColor" xml:space="preserve">
+    <value>明るさにアクセントカラーを使う</value>
+  </data>
   <data name="UseLargeElements" xml:space="preserve">
     <value>大きいスライダーを使う</value>
   </data>
diff --git a/Source/Monitorian.Core/Properties/Resources.resx b/Source/Monitorian.Core/Properties/Resources.resx
index 577beea6..f4ecff1e 100644
--- a/Source/Monitorian.Core/Properties/Resources.resx
+++ b/Source/Monitorian.Core/Properties/Resources.resx
@@ -171,6 +171,9 @@
   <data name="Rescan" xml:space="preserve">
     <value>Rescan monitors</value>
   </data>
+  <data name="RestoreReconnection" xml:space="preserve">
+    <value>Restore brightness on reconnection</value>
+  </data>
   <data name="Settings" xml:space="preserve">
     <value>Settings</value>
   </data>
@@ -192,6 +195,9 @@
   <data name="StatusReasonDdcNotEnabled" xml:space="preserve">
     <value>DDC/CI is not supported or enabled.</value>
   </data>
+  <data name="UseAccentColor" xml:space="preserve">
+    <value>Use accent color for brightness</value>
+  </data>
   <data name="UseLargeElements" xml:space="preserve">
     <value>Use large sliders</value>
   </data>
diff --git a/Source/Monitorian.Core/Views/Generic.xaml b/Source/Monitorian.Core/Views/Generic.xaml
index 4657f12e..4e5553f6 100644
--- a/Source/Monitorian.Core/Views/Generic.xaml
+++ b/Source/Monitorian.Core/Views/Generic.xaml
@@ -10,6 +10,10 @@
 	<Color x:Key="App.TargetColor">LightGray</Color>
 	<Color x:Key="App.OverlayColor">#48000000</Color>
 
+	<Color x:Key="App.Background.Accent.StaticColor">#FF2982CC</Color>
+	<Color x:Key="App.Background.Accent.MouseOverColor">#FF5CA4DE</Color>
+	<Color x:Key="App.Background.Accent.PressedColor">#FF5CA4DE</Color>
+
 	<SolidColorBrush x:Key="App.Foreground" Color="{DynamicResource App.ForegroundColor}"/>
 	<SolidColorBrush x:Key="App.Foreground.Shadow" Color="{DynamicResource App.ShadowColor}"/>
 	<SolidColorBrush x:Key="App.Foreground.Dusk" Color="#FFACACAC"/>
@@ -18,7 +22,6 @@
 	<SolidColorBrush x:Key="App.Border.Outline" Color="{DynamicResource App.LineColor}"/>
 	<SolidColorBrush x:Key="App.Background.Plain" Color="#FF1F1F1F"/>
 	<SolidColorBrush x:Key="App.Background.Translucent" Color="#D3161616"/>
-	<SolidColorBrush x:Key="App.Background.Accent" Color="#FF2982CC"/>
 
 	<Color x:Key="Icon.Foreground.NormalColor">#FF808080</Color>
 	<Color x:Key="Icon.Background.MouseOverColor">#33FFFFFF</Color>
diff --git a/Source/Monitorian.Core/Views/MainWindow.xaml b/Source/Monitorian.Core/Views/MainWindow.xaml
index 948e5247..8385c7e2 100644
--- a/Source/Monitorian.Core/Views/MainWindow.xaml
+++ b/Source/Monitorian.Core/Views/MainWindow.xaml
@@ -39,9 +39,6 @@
 		<Style TargetType="{x:Type ToolTip}" BasedOn="{StaticResource ToolTipStyle}"/>
 
 		<!-- Slider -->
-		<Color x:Key="Slider.Background.Main.StaticColor">#FF2982CC</Color>
-		<Color x:Key="Slider.Background.Main.MouseOverColor">#FF5CA4DE</Color>
-		<Color x:Key="Slider.Background.Main.PressedColor">#FF5CA4DE</Color>
 		<Color x:Key="Slider.Background.Range.StaticColor">#FFFFA500</Color>
 		<Color x:Key="Slider.Background.Range.MouseOverColor">#FFFFC400</Color>
 		<Color x:Key="Slider.Background.Range.PressedColor">#FFFFC400</Color>
@@ -51,9 +48,9 @@
 		<Color x:Key="Slider.Background.DisabledColor">#FFF0F0F0</Color>
 		<Color x:Key="Slider.Background.VacantColor">#FF999999</Color>
 
-		<SolidColorBrush x:Key="Slider.Background.Main.Static" Color="{StaticResource Slider.Background.Main.StaticColor}"/>
-		<SolidColorBrush x:Key="Slider.Background.Main.MouseOver" Color="{StaticResource Slider.Background.Main.MouseOverColor}"/>
-		<SolidColorBrush x:Key="Slider.Background.Main.Pressed" Color="{StaticResource Slider.Background.Main.PressedColor}"/>
+		<SolidColorBrush x:Key="Slider.Background.Main.Static" Color="{DynamicResource App.Background.Accent.StaticColor}"/>
+		<SolidColorBrush x:Key="Slider.Background.Main.MouseOver" Color="{DynamicResource App.Background.Accent.MouseOverColor}"/>
+		<SolidColorBrush x:Key="Slider.Background.Main.Pressed" Color="{DynamicResource App.Background.Accent.PressedColor}"/>
 		<SolidColorBrush x:Key="Slider.Background.Range.Static" Color="{StaticResource Slider.Background.Range.StaticColor}"/>
 		<SolidColorBrush x:Key="Slider.Background.Range.MouseOver" Color="{StaticResource Slider.Background.Range.MouseOverColor}"/>
 		<SolidColorBrush x:Key="Slider.Background.Range.Pressed" Color="{StaticResource Slider.Background.Range.PressedColor}"/>
@@ -667,7 +664,7 @@
 							</Grid.ColumnDefinitions>
 
 							<Rectangle Grid.Column="0"
-									   Fill="{StaticResource App.Background.Accent}"
+									   Fill="{StaticResource Slider.Background.Main.Static}"
 									   Visibility="{Binding IsSelectedByKey, Converter={StaticResource BooleanToVisibilityConverterKey}}"/>
 
 							<!-- Brightness -->
diff --git a/Source/Monitorian.Core/Views/MainWindow.xaml.cs b/Source/Monitorian.Core/Views/MainWindow.xaml.cs
index bd06f0a4..07a74c01 100644
--- a/Source/Monitorian.Core/Views/MainWindow.xaml.cs
+++ b/Source/Monitorian.Core/Views/MainWindow.xaml.cs
@@ -44,6 +44,9 @@ public MainWindow(AppControllerCore controller)
 			{
 				ViewModel.MonitorsView.Refresh();
 			};
+			//controller.WindowPainter.AccentColorChanged += (_, _) =>
+			//{
+			//};
 
 			_tracker = new TouchpadTracker(this);
 			_tracker.ManipulationDelta += (_, delta) =>
@@ -113,7 +116,7 @@ public bool UsesLargeElements
 					true,
 					(d, e) =>
 					{
-						// Setting the same value will not trigger calling this method.					
+						// Setting the same value will not trigger calling this method.
 
 						var window = (MainWindow)d;
 						if (window._defaultHeights is null)
@@ -205,7 +208,7 @@ protected override void OnDeactivated(EventArgs e)
 
 			ViewModel.Deactivate();
 
-			// Set time to prevent this window from being shown unintentionally. 
+			// Set time to prevent this window from being shown unintentionally.
 			_preventionTime = DateTimeOffset.Now + TimeSpan.FromSeconds(0.2);
 
 			ClearHide();
diff --git a/Source/Monitorian.Core/Views/MenuWindow.xaml b/Source/Monitorian.Core/Views/MenuWindow.xaml
index 08dbfda1..46306ba1 100644
--- a/Source/Monitorian.Core/Views/MenuWindow.xaml
+++ b/Source/Monitorian.Core/Views/MenuWindow.xaml
@@ -68,6 +68,14 @@
 						  IsChecked="{Binding Settings.UsesLargeElements}"/>
 		</ContentControl>
 
+		<ContentControl Style="{StaticResource MenuItemStyle}">
+			<ToggleButton Padding="8,4"
+						  Style="{StaticResource CheckButtonItemStyle}"
+						  FontSize="13"
+						  Content="{x:Static properties:Resources.UseAccentColor}"
+						  IsChecked="{Binding Settings.UsesAccentColor}"/>
+		</ContentControl>
+
 		<ContentControl Style="{StaticResource MenuItemStyle}">
 			<ToggleButton Padding="8,4"
 						  Style="{StaticResource CheckButtonItemStyle}"
diff --git a/Source/Monitorian.Core/Views/WindowPainter.cs b/Source/Monitorian.Core/Views/WindowPainter.cs
index 46ee0c94..0f505dc5 100644
--- a/Source/Monitorian.Core/Views/WindowPainter.cs
+++ b/Source/Monitorian.Core/Views/WindowPainter.cs
@@ -7,6 +7,7 @@
 using System.Windows.Media;
 
 using Monitorian.Core.Helper;
+using Monitorian.Supplement;
 using ScreenFrame.Painter;
 
 namespace Monitorian.Core.Views
@@ -19,7 +20,7 @@ public WindowPainter() : base(AppKeeper.StandardArguments)
 		public static new IReadOnlyCollection<string> Options => ScreenFrame.Painter.WindowPainter.Options.Concat(ColorPairs.Keys).ToArray();
 
 		/// <summary>
-		/// Color changeable elements of window
+		/// Color changeable background/border
 		/// </summary>
 		private enum ColorElement
 		{
@@ -77,15 +78,17 @@ bool TryParse(string source, out Brush brush)
 			_colors = colors.Any() ? colors : null;
 		}
 
+		#region Theme or background/border colors
+
 		protected override void PaintBackground(Window window)
 		{
-			if (ChangeColors(window))
+			if (ChangeBackgroundColors(window))
 				return;
 
 			base.PaintBackground(window);
 		}
 
-		private bool ChangeColors(Window window)
+		private bool ChangeBackgroundColors(Window window)
 		{
 			if (_colors is not { Count: > 0 })
 				return false;
@@ -135,5 +138,61 @@ protected override void ChangeThemes(ColorTheme oldTheme, ColorTheme newTheme)
 					break;
 			}
 		}
+
+		#endregion
+
+		#region Accent color
+
+		private static readonly Lazy<ResourceDictionary> _generic = new(() =>
+			Application.Current.Resources.MergedDictionaries.Single(x => x.Source.OriginalString.EndsWith("Generic.xaml")));
+
+		private class ColorContainer
+		{
+			private readonly string _key;
+			private readonly Color _color;
+
+			public ColorContainer(string key)
+			{
+				this._key = key;
+				this._color = Color;
+			}
+
+			public Color Color
+			{
+				get => (Color)_generic.Value[_key];
+				set => _generic.Value[_key] = value;
+			}
+
+			public void Revert() => Color = _color;
+		}
+
+		private readonly Lazy<ColorContainer> _staticColorContaier = new(() => new("App.Background.Accent.StaticColor"));
+		private readonly Lazy<ColorContainer> _mouseOverColorContainer = new(() => new("App.Background.Accent.MouseOverColor"));
+		private readonly Lazy<ColorContainer> _pressedColorContainer = new(() => new("App.Background.Accent.PressedColor"));
+
+		public void AttachAccentColors()
+		{
+			ChangeAccentColors();
+
+			RespondsAccentColorChanged = true;
+		}
+
+		public void DetachAccentColors()
+		{
+			RespondsAccentColorChanged = false;
+
+			_staticColorContaier.Value.Revert();
+			_mouseOverColorContainer.Value.Revert();
+			_pressedColorContainer.Value.Revert();
+		}
+
+		protected override void ChangeAccentColors()
+		{
+			_staticColorContaier.Value.Color = UIInformation.GetAccentColor();
+			_mouseOverColorContainer.Value.Color = UIInformation.GetAccentLightColor();
+			_pressedColorContainer.Value.Color = _mouseOverColorContainer.Value.Color;
+		}
+
+		#endregion
 	}
 }
\ No newline at end of file
diff --git a/Source/Monitorian.Supplement/Properties/AssemblyInfo.cs b/Source/Monitorian.Supplement/Properties/AssemblyInfo.cs
index 650df1f6..1bcd2bbf 100644
--- a/Source/Monitorian.Supplement/Properties/AssemblyInfo.cs
+++ b/Source/Monitorian.Supplement/Properties/AssemblyInfo.cs
@@ -33,6 +33,6 @@
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("3.10.0.0")]
-[assembly: AssemblyFileVersion("3.10.0.0")]
+[assembly: AssemblyVersion("3.11.0.0")]
+[assembly: AssemblyFileVersion("3.11.0.0")]
 [assembly: NeutralResourcesLanguage("en-US")]
diff --git a/Source/Monitorian.Supplement/UIInformation.cs b/Source/Monitorian.Supplement/UIInformation.cs
index e00568fc..07f65ed6 100644
--- a/Source/Monitorian.Supplement/UIInformation.cs
+++ b/Source/Monitorian.Supplement/UIInformation.cs
@@ -25,6 +25,18 @@ public class UIInformation
 		/// <returns></returns>
 		public static Color GetAccentColor() => GetUIColor(UIColorType.Accent);
 
+		/// <summary>
+		/// Gets the system accent light color.
+		/// </summary>
+		/// <returns></returns>
+		public static Color GetAccentLightColor() => GetUIColor(UIColorType.AccentLight1);
+
+		/// <summary>
+		/// Gets the system accent dark color.
+		/// </summary>
+		/// <returns></returns>
+		public static Color GetAccentDarkColor() => GetUIColor(UIColorType.AccentDark1);
+
 		/// <summary>
 		/// Gets the system background color.
 		/// </summary>
diff --git a/Source/Monitorian/Properties/AssemblyInfo.cs b/Source/Monitorian/Properties/AssemblyInfo.cs
index 7f1ebfe8..4885389b 100644
--- a/Source/Monitorian/Properties/AssemblyInfo.cs
+++ b/Source/Monitorian/Properties/AssemblyInfo.cs
@@ -51,7 +51,7 @@
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("3.10.1.0")]
-[assembly: AssemblyFileVersion("3.10.1.0")]
+[assembly: AssemblyVersion("3.11.0.0")]
+[assembly: AssemblyFileVersion("3.11.0.0")]
 [assembly: Guid("a4cc5362-9b08-465b-ad64-5cfabc72a4c7")]
 [assembly: NeutralResourcesLanguage("en-US")]
diff --git a/Source/ScreenFrame/Helper/ColorExtension.cs b/Source/ScreenFrame/Helper/ColorExtension.cs
index b2d98598..d5b49e9b 100644
--- a/Source/ScreenFrame/Helper/ColorExtension.cs
+++ b/Source/ScreenFrame/Helper/ColorExtension.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Runtime.InteropServices;
 using System.Text;
 using System.Threading.Tasks;
 using System.Windows.Media;
@@ -9,9 +10,31 @@ namespace ScreenFrame.Helper
 {
 	internal static class ColorExtension
 	{
+		#region Win32
+
+		[DllImport("Dwmapi.dll")]
+		private static extern int DwmGetColorizationColor(
+			out uint pcrColorization,
+			[MarshalAs(UnmanagedType.Bool)] out bool pfOpaqueBlend);
+
+		private const int S_OK = 0x0;
+
+		#endregion
+
+		public static Color GetColorizationColor()
+		{
+			if (DwmGetColorizationColor(
+				out uint pcrColorization,
+				out _) == S_OK)
+			{
+				return FromUInt32(pcrColorization);
+			}
+			return default;
+		}
+
 		public static uint ToUInt32(this Color color)
 		{
-			var bytes = new[] { color.B, color.G, color.R, color.A }.ToArray();
+			var bytes = new[] { color.B, color.G, color.R, color.A };
 			return BitConverter.ToUInt32(bytes, 0);
 		}
 
diff --git a/Source/ScreenFrame/Helper/Throttle.cs b/Source/ScreenFrame/Helper/Throttle.cs
new file mode 100644
index 00000000..0b2017a1
--- /dev/null
+++ b/Source/ScreenFrame/Helper/Throttle.cs
@@ -0,0 +1,53 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ScreenFrame.Helper
+{
+	/// <summary>
+	/// Rx Throttle like operator
+	/// </summary>
+	internal class Throttle
+	{
+		private static readonly TimeSpan _dueTime = TimeSpan.FromSeconds(0.2);
+		private readonly Action _action;
+
+		public Throttle(Action action) => this._action = action;
+
+		private Task _lastWaitTask;
+
+		public async Task PushAsync()
+		{
+			var currentWaitTask = Task.Delay(_dueTime);
+			_lastWaitTask = currentWaitTask;
+			await currentWaitTask;
+			if (_lastWaitTask == currentWaitTask)
+			{
+				_action?.Invoke();
+			}
+		}
+	}
+
+	internal class Throttle<T>
+	{
+		private static readonly TimeSpan _dueTime = TimeSpan.FromSeconds(0.2);
+		private readonly Action<T> _action;
+
+		public Throttle(Action<T> action) => this._action = action;
+
+		private Task _lastWaitTask;
+
+		public async Task PushAsync(T value)
+		{
+			var currentWaitTask = Task.Delay(_dueTime);
+			_lastWaitTask = currentWaitTask;
+			await currentWaitTask;
+			if (_lastWaitTask == currentWaitTask)
+			{
+				_action?.Invoke(value);
+			}
+		}
+	}
+}
\ No newline at end of file
diff --git a/Source/ScreenFrame/Painter/WindowEffect.cs b/Source/ScreenFrame/Painter/WindowEffect.cs
index 56290abe..47b5d254 100644
--- a/Source/ScreenFrame/Painter/WindowEffect.cs
+++ b/Source/ScreenFrame/Painter/WindowEffect.cs
@@ -18,14 +18,14 @@ internal static class WindowEffect
 	{
 		#region Win32 (common)
 
-		[DllImport("Dwmapi.dll", SetLastError = true)]
+		[DllImport("Dwmapi.dll")]
 		private static extern int DwmSetWindowAttribute(
 			IntPtr hwnd,
 			uint dwAttribute,
 			[In] ref bool pvAttribute, // IntPtr
 			uint cbAttribute);
 
-		[DllImport("Dwmapi.dll", SetLastError = true)]
+		[DllImport("Dwmapi.dll")]
 		private static extern int DwmSetWindowAttribute(
 			IntPtr hwnd,
 			uint dwAttribute,
diff --git a/Source/ScreenFrame/Painter/WindowPainter.cs b/Source/ScreenFrame/Painter/WindowPainter.cs
index 93630c9f..87cac44f 100644
--- a/Source/ScreenFrame/Painter/WindowPainter.cs
+++ b/Source/ScreenFrame/Painter/WindowPainter.cs
@@ -38,11 +38,6 @@ public WindowPainter(IReadOnlyList<string> args)
 
 		private ColorTheme _theme;
 
-		/// <summary>
-		/// Whether to respond when the color theme of Windows is changed
-		/// </summary>
-		protected bool RespondsThemeChanged { get; set; } = true; // Default
-
 		/// <summary>
 		/// Background texture of window
 		/// </summary>
@@ -138,8 +133,7 @@ private void OnSourceInitialized(object sender, EventArgs e)
 			DisableTransitions(window);
 			PaintBackground(window);
 
-			if (RespondsThemeChanged)
-				AddHook(window);
+			AddHook(window);
 		}
 
 		private void OnClosed(object sender, EventArgs e)
@@ -147,8 +141,7 @@ private void OnClosed(object sender, EventArgs e)
 			var oldWindow = (Window)sender;
 			Remove(oldWindow);
 
-			if (RespondsThemeChanged &&
-				RemoveHook(oldWindow))
+			if (RemoveHook(oldWindow))
 			{
 				var newWindow = _windows.FirstOrDefault(x => x.IsInitialized);
 				if (newWindow is not null)
@@ -188,39 +181,59 @@ private void RemoveHook()
 		}
 
 		private const int WM_SETTINGCHANGE = 0x001A;
+		private const int WM_DWMCOLORIZATIONCOLORCHANGED = 0x0320;
 
 		private IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
 		{
 			switch (msg)
 			{
-				case WM_SETTINGCHANGE:
-					if (string.Equals(Marshal.PtrToStringAuto(lParam), "ImmersiveColorSet"))
-					{
-						OnChanged();
-					}
+				case WM_SETTINGCHANGE when (Marshal.PtrToStringAuto(lParam) == "ImmersiveColorSet") && RespondsThemeChanged:
+					OnThemeChanged();
+					break;
+
+				case WM_DWMCOLORIZATIONCOLORCHANGED when RespondsAccentColorChanged:
+					OnAccentColorChanged(ColorExtension.FromUInt32((uint)wParam));
 					break;
 			}
 			return IntPtr.Zero;
 		}
 
-		private Task _throttleTask;
+		private Throttle _applyChangedTheme;
+		private Throttle<Color> _applyChangedAccentColor;
 
-		private async void OnChanged()
+		private async void OnThemeChanged()
 		{
-			var waitTask = Task.Delay(TimeSpan.FromSeconds(1));
-			_throttleTask = waitTask;
-			await waitTask;
-			if (_throttleTask == waitTask)
+			_applyChangedTheme ??= new Throttle(() =>
 			{
 				if (ApplyChangedTheme())
 				{
 					ThemeChanged?.Invoke(null, EventArgs.Empty);
 				}
-			}
+			});
+			await _applyChangedTheme.PushAsync();
+		}
+
+		private async void OnAccentColorChanged(Color color)
+		{
+			_applyChangedAccentColor ??= new Throttle<Color>(c =>
+			{
+				if (ApplyChangedAccentColor(c))
+				{
+					AccentColorChanged?.Invoke(null, EventArgs.Empty);
+				}
+			});
+			await _applyChangedAccentColor.PushAsync(color);
 		}
 
 		#endregion
 
+		#region Theme
+
+		/// <summary>
+		/// Whether to respond when the color theme for Windows is changed
+		/// </summary>
+		protected bool RespondsThemeChanged { get; set; } = true; // Default
+
 		/// <summary>
 		/// Occurs when the color theme for Windows is changed.
 		/// </summary>
@@ -339,8 +352,6 @@ private void ResetTranslucent()
 			_translucentBrush = null;
 		}
 
-		#region Resources
-
 		/// <summary>
 		/// Changes color themes.
 		/// </summary>
@@ -379,6 +390,50 @@ protected static void ChangeResources(string oldUriString, string newUriString)
 
 		#endregion
 
+		#region Accent color
+
+		/// <summary>
+		/// Whether to respond when the accent color for Windows is changed
+		/// </summary>
+		protected bool RespondsAccentColorChanged
+		{
+			get => _respondsAccentColorChanged;
+			set
+			{
+				_respondsAccentColorChanged = value;
+				if (_respondsAccentColorChanged)
+					_accentColor = ColorExtension.GetColorizationColor();
+			}
+		}
+		private bool _respondsAccentColorChanged;
+
+		/// <summary>
+		/// Occurs when the accent color for Windows is changed.
+		/// </summary>
+		public event EventHandler AccentColorChanged;
+
+		private static Color _accentColor;
+
+		private bool ApplyChangedAccentColor(Color accentColor)
+		{
+			if (_accentColor == accentColor)
+				return false;
+
+			// Color provided with WM_DWMCOLORIZATIONCOLORCHANGED and by DwmGetColorizationColor
+			// will not match that provided by UISettings.
+			ChangeAccentColors();
+			_accentColor = accentColor;
+			return true;
+		}
+
+		/// <summary>
+		/// Changes accent colors.
+		/// </summary>
+		protected virtual void ChangeAccentColors()
+		{ }
+
+		#endregion
+
 		#region IDisposable
 
 		private bool _isDisposed = false;
@@ -404,6 +459,7 @@ protected virtual void Dispose(bool disposing)
 			{
 				RemoveHook();
 				ThemeChanged = null;
+				AccentColorChanged = null;
 			}
 
 			_isDisposed = true;
diff --git a/Source/ScreenFrame/Properties/AssemblyInfo.cs b/Source/ScreenFrame/Properties/AssemblyInfo.cs
index 479e876c..324cd8e3 100644
--- a/Source/ScreenFrame/Properties/AssemblyInfo.cs
+++ b/Source/ScreenFrame/Properties/AssemblyInfo.cs
@@ -33,6 +33,6 @@
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("3.10.0.0")]
-[assembly: AssemblyFileVersion("3.10.0.0")]
+[assembly: AssemblyVersion("3.11.0.0")]
+[assembly: AssemblyFileVersion("3.11.0.0")]
 [assembly: NeutralResourcesLanguage("en-US")]
diff --git a/Source/ScreenFrame/ScreenFrame.csproj b/Source/ScreenFrame/ScreenFrame.csproj
index 97d971a3..541071c9 100644
--- a/Source/ScreenFrame/ScreenFrame.csproj
+++ b/Source/ScreenFrame/ScreenFrame.csproj
@@ -52,6 +52,7 @@
     <Compile Include="Helper\DpiScaleExtension.cs" />
     <Compile Include="Helper\KeyValuePairExtension.cs" />
     <Compile Include="Helper\OsVersion.cs" />
+    <Compile Include="Helper\Throttle.cs" />
     <Compile Include="Movers\BasicWindowMover.cs" />
     <Compile Include="Movers\FloatWindowMover.cs" />
     <Compile Include="Movers\PopupWindowMover.cs" />
diff --git a/Source/ScreenFrame/WindowHelper.cs b/Source/ScreenFrame/WindowHelper.cs
index e868b576..5a96d2c1 100644
--- a/Source/ScreenFrame/WindowHelper.cs
+++ b/Source/ScreenFrame/WindowHelper.cs
@@ -180,14 +180,14 @@ private static extern bool GetWindowRect(
 			IntPtr hWnd,
 			out RECT lpRect);
 
-		[DllImport("Dwmapi.dll", SetLastError = true)]
+		[DllImport("Dwmapi.dll")]
 		private static extern int DwmGetWindowAttribute(
 			IntPtr hwnd,
 			uint dwAttribute,
 			out RECT pvAttribute, // IntPtr
 			uint cbAttribute);
 
-		[DllImport("Dwmapi.dll", SetLastError = true)]
+		[DllImport("Dwmapi.dll")]
 		private static extern int DwmSetWindowAttribute(
 			IntPtr hwnd,
 			uint dwAttribute,