diff --git a/MahApps.Metro/Controls/MetroWindow.cs b/MahApps.Metro/Controls/MetroWindow.cs
index 5ac6e47c79..3fa6f49b0b 100644
--- a/MahApps.Metro/Controls/MetroWindow.cs
+++ b/MahApps.Metro/Controls/MetroWindow.cs
@@ -80,10 +80,11 @@ public class MetroWindow : Window
         public static readonly DependencyProperty MetroDialogOptionsProperty = DependencyProperty.Register("MetroDialogOptions", typeof(MetroDialogSettings), typeof(MetroWindow), new PropertyMetadata(new MetroDialogSettings()));
 
         public static readonly DependencyProperty WindowTitleBrushProperty = DependencyProperty.Register("WindowTitleBrush", typeof(Brush), typeof(MetroWindow), new PropertyMetadata(Brushes.Transparent));
+        public static readonly DependencyProperty NonActiveWindowTitleBrushProperty = DependencyProperty.Register("NonActiveWindowTitleBrush", typeof(Brush), typeof(MetroWindow), new PropertyMetadata(Brushes.Gray));
+        public static readonly DependencyProperty NonActiveBorderBrushProperty = DependencyProperty.Register("NonActiveBorderBrush", typeof(Brush), typeof(MetroWindow), new PropertyMetadata(Brushes.Gray));
+
         public static readonly DependencyProperty GlowBrushProperty = DependencyProperty.Register("GlowBrush", typeof(Brush), typeof(MetroWindow), new PropertyMetadata(null));
         public static readonly DependencyProperty NonActiveGlowBrushProperty = DependencyProperty.Register("NonActiveGlowBrush", typeof(Brush), typeof(MetroWindow), new PropertyMetadata(new SolidColorBrush(Color.FromRgb(153, 153, 153)))); // #999999
-        public static readonly DependencyProperty NonActiveBorderBrushProperty = DependencyProperty.Register("NonActiveBorderBrush", typeof(Brush), typeof(MetroWindow), new PropertyMetadata(Brushes.Gray));
-        public static readonly DependencyProperty NonActiveWindowTitleBrushProperty = DependencyProperty.Register("NonActiveWindowTitleBrush", typeof(Brush), typeof(MetroWindow), new PropertyMetadata(Brushes.Gray));
 
         public static readonly DependencyProperty IconTemplateProperty = DependencyProperty.Register("IconTemplate", typeof(DataTemplate), typeof(MetroWindow), new PropertyMetadata(null));
         public static readonly DependencyProperty TitleTemplateProperty = DependencyProperty.Register("TitleTemplate", typeof(DataTemplate), typeof(MetroWindow), new PropertyMetadata(null));
diff --git a/MahApps.Metro/Styles/Colors.xaml b/MahApps.Metro/Styles/Colors.xaml
index e0c051536d..e416b6a2f2 100644
--- a/MahApps.Metro/Styles/Colors.xaml
+++ b/MahApps.Metro/Styles/Colors.xaml
@@ -54,6 +54,9 @@
     <SolidColorBrush x:Key="BlackColorBrush" Color="{DynamicResource BlackColor}" />
 
     <SolidColorBrush x:Key="WindowTitleColorBrush" Color="{DynamicResource AccentColor}" />
+    <SolidColorBrush x:Key="NonActiveWindowTitleColorBrush" Color="Gray" options:Freeze="True" />
+    <SolidColorBrush x:Key="NonActiveBorderColorBrush" Color="Gray" options:Freeze="True" />
+
     <SolidColorBrush x:Key="HighlightBrush" Color="{DynamicResource HighlightColor}" />
     <SolidColorBrush x:Key="DisabledWhiteBrush" Color="{DynamicResource WhiteColor}" />
 
diff --git a/MahApps.Metro/Styles/VS/Colors.xaml b/MahApps.Metro/Styles/VS/Colors.xaml
index 084819d7d0..ba237e5e39 100644
--- a/MahApps.Metro/Styles/VS/Colors.xaml
+++ b/MahApps.Metro/Styles/VS/Colors.xaml
@@ -19,6 +19,8 @@
     <SolidColorBrush x:Key="AccentColorBrush4" options:Freeze="True" Color="{StaticResource AccentColor4}" />
 
     <SolidColorBrush x:Key="WindowTitleColorBrush" options:Freeze="True" Color="{StaticResource AccentColor}" />
+    <SolidColorBrush x:Key="NonActiveWindowTitleColorBrush" Color="Gray" options:Freeze="True" />
+    <SolidColorBrush x:Key="NonActiveBorderColorBrush" Color="Gray" options:Freeze="True" />
 
     <SolidColorBrush x:Key="BlackBrush" options:Freeze="True" Color="{StaticResource BlackColor}" />
     <SolidColorBrush x:Key="TextBrush" options:Freeze="True" Color="{StaticResource BlackColor}" />
diff --git a/MahApps.Metro/Themes/MetroWindow.xaml b/MahApps.Metro/Themes/MetroWindow.xaml
index dbd40e7d12..c217ae6d98 100644
--- a/MahApps.Metro/Themes/MetroWindow.xaml
+++ b/MahApps.Metro/Themes/MetroWindow.xaml
@@ -580,6 +580,8 @@
             </Setter.Value>
         </Setter>
         <Setter Property="WindowTitleBrush" Value="{DynamicResource WindowTitleColorBrush}" />
+        <Setter Property="NonActiveWindowTitleBrush" Value="{DynamicResource NonActiveWindowTitleColorBrush}" />
+        <Setter Property="NonActiveBorderBrush" Value="{DynamicResource NonActiveBorderColorBrush}" />
         <Style.Triggers>
             <DataTrigger Binding="{Binding RelativeSource={RelativeSource Self}, Path=Icon, Mode=OneWay, Converter={x:Static Converters:IsNullConverter.Instance}}" Value="False">
                 <Setter Property="IconTemplate">
diff --git a/docs/release-notes/1.3.0.md b/docs/release-notes/1.3.0.md
index 2435b7cc8f..72526374e3 100644
--- a/docs/release-notes/1.3.0.md
+++ b/docs/release-notes/1.3.0.md
@@ -94,6 +94,7 @@ MahApps.Metro v1.3.0 bug fix and feature release.
 - New dependency property `ShowDialogsOverTitleBar` for `MetroWindow? which allows showing title bar while showing dialogs (fixes #2109) #2534 (@Deadpikle)
 - Store/Restore focused element methods which will be used automatically with dialogs (but can be also used explicit) #2532
 - Added new methods `ShowModalInputExternal`, `ShowModalLoginExternal` and `ShowModalMessageExternal`. #2518 (@adeniltonbs)
+- New brush keys `NonActiveWindowTitleColorBrush` and `NonActiveBorderColorBrush`
 
 # Closed Issues
 
@@ -159,3 +160,4 @@ MahApps.Metro v1.3.0 bug fix and feature release.
 - #2525 System.Windows.Media.Animation.DoubleAnimation' cannot use default origin value of 'Infinity
 - #2552 How to hide flyout title
 - #2556 Interact with DialogController from Background Thread (@xxMUROxx)
+- #2551 Feature Request: NonActiveWindowTitleColorBrush