Merge pull request #1495 from github/ui/polish-highlight-pr

Tweak highlight colors

Author: grokys

src/GitHub.VisualStudio.UI/Styles/ThemeBlue.xaml

@@ -63,5 +63,5 @@
   <SolidColorBrush x:Key="GitHubDiffGlyphFill.None" Color="#9EC7FF" />
 
   <SolidColorBrush x:Key="GitHubPeekViewBackground" Color="#F5F5F5" />
-  <SolidColorBrush x:Key="GitHubMultilineListItemActiveBrush" Color="#FFDCE0EC"/>
+  <SolidColorBrush x:Key="GitHubMultilineListItemActiveBrush" Color="#FFCCCEDB"/>
 </ResourceDictionary>

src/GitHub.VisualStudio.UI/Styles/ThemeDark.xaml

@@ -63,5 +63,5 @@
   <SolidColorBrush x:Key="GitHubDiffGlyphFill.None" Color="#569CD6" />
 
   <SolidColorBrush x:Key="GitHubPeekViewBackground" Color="#252526" />
-  <SolidColorBrush x:Key="GitHubMultilineListItemActiveBrush" Color="#FF2D2D30"/>
+  <SolidColorBrush x:Key="GitHubMultilineListItemActiveBrush" Color="#FF3F3F46"/>
 </ResourceDictionary>

src/GitHub.VisualStudio.UI/Styles/ThemeLight.xaml

@@ -63,5 +63,5 @@
   <SolidColorBrush x:Key="GitHubDiffGlyphFill.None" Color="#9EC7FF" />
 
   <SolidColorBrush x:Key="GitHubPeekViewBackground" Color="#F5F5F5" />
-  <SolidColorBrush x:Key="GitHubMultilineListItemActiveBrush" Color="#FFEEEEF2"/>
+  <SolidColorBrush x:Key="GitHubMultilineListItemActiveBrush" Color="#FFCCCEDB"/>
 </ResourceDictionary>