Replace all color literals with reference to the style xaml.

Author: bclothier

Rubberduck.Core/UI/CodeExplorer/CodeExplorerControl.xaml

@@ -178,7 +178,7 @@
                 <Setter Property="IsReadOnly" Value="True" />
                 <Setter Property="Margin" Value="4" />
                 <Setter Property="TextWrapping" Value="WrapWithOverflow" />
-                <Setter Property="Background" Value="WhiteSmoke" />
+                <Setter Property="Background" Value="{StaticResource BackgroundLightBrush}" />
                 <Setter Property="BorderThickness" Value="0" />
             </Style>
 
@@ -196,7 +196,7 @@
                 <Setter Property="IsReadOnly" Value="True" />
                 <Setter Property="Margin" Value="4" />
                 <Setter Property="TextWrapping" Value="WrapWithOverflow" />
-                <Setter Property="Background" Value="WhiteSmoke" />
+                <Setter Property="Background" Value="{StaticResource BackgroundLightBrush}" />
                 <Setter Property="BorderThickness" Value="0" />
             </Style>
 
@@ -595,7 +595,7 @@
         <GridSplitter Grid.Row="3" Height="5" ShowsPreview="True" Cursor="SizeNS" HorizontalAlignment="Stretch"/>
 
         <Border Grid.Row="4" BorderThickness="0,1,0,0" BorderBrush="{StaticResource BorderWireBrush}">
-            <ScrollViewer Background="WhiteSmoke" VerticalScrollBarVisibility="Auto">
+            <ScrollViewer Background="{StaticResource BackgroundLightBrush}" VerticalScrollBarVisibility="Auto">
                 <WrapPanel Orientation="Vertical" MinHeight="70" >
                     <Grid Margin="4" HorizontalAlignment="Stretch">
                         <Grid.ColumnDefinitions>

Rubberduck.Core/UI/Controls/GroupingGrid.xaml

@@ -57,7 +57,7 @@
                 <Setter Property="Template">
                     <Setter.Value>
                         <ControlTemplate>
-                            <Expander Background="WhiteSmoke" Foreground="Black" FontWeight="SemiBold" 
+                            <Expander Background="{StaticResource BackgroundLightBrush}" Foreground="Black" FontWeight="SemiBold" 
                                   IsExpanded="{Binding InitialExpandedState, Mode=OneWay, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type local:GroupingGrid}}}">
                                 <Expander.Header>
                                     <StackPanel Orientation="Horizontal">

Rubberduck.Core/UI/Inspections/InspectionResultsControl.xaml

@@ -258,7 +258,7 @@
 
         <Border Grid.Row="3" BorderThickness="0,1,0,0" BorderBrush="DimGray">
             <ScrollViewer VerticalScrollBarVisibility="Auto" HorizontalScrollBarVisibility="Disabled">
-                <StackPanel Orientation="Vertical" MinHeight="48" Background="WhiteSmoke">
+                <StackPanel Orientation="Vertical" MinHeight="48" Background="{StaticResource BackgroundLightBrush}">
                     <Grid Margin="4" HorizontalAlignment="Stretch">
                         <Grid.ColumnDefinitions>
                             <ColumnDefinition Width="25" />

Rubberduck.Core/UI/Styles/DefaultStyle.xaml

@@ -32,6 +32,7 @@
     <Color x:Key="ExpanderBackgroundColor">#FFFFFFFF</Color>
     <Color x:Key="CaptionLightColor">#FFFFFFFF</Color>
     <Color x:Key="BackgroundDarkColor">#FFA9A9A9</Color>
+    <Color x:Key="BackgroundLightColor">#FFF5F5F5</Color>
 
     <SolidColorBrush x:Key="HighlightGradientStartBrush" Color="{StaticResource HighlightGradientStartColor}"/>
     <SolidColorBrush x:Key="HighlightGradientEndBrush" Color="{StaticResource HighlightGradientEndColor}"/>
@@ -53,6 +54,7 @@
     <SolidColorBrush x:Key="ExpanderBorderBrush" Color="{StaticResource ExpanderBorderColor}"/>
     <SolidColorBrush x:Key="CaptionLightBrush" Color="{StaticResource CaptionLightColor}"/>
     <SolidColorBrush x:Key="BackgroundDarkBrush" Color="{StaticResource BackgroundDarkColor}"/>
+    <SolidColorBrush x:Key="BackgroundLightBrush" Color="{StaticResource BackgroundLightColor}"/>
 
     <SolidColorBrush x:Key="Item.MouseOver.Background" Color="#1F26A0DA"/>
     <SolidColorBrush x:Key="Item.MouseOver.Border" Color="#A826A0DA"/>