<ResourceDictionary> <ResourceDictionary.MergedDictionaries> <!-- Reference main style dictionary--> <ResourceDictionary Source="pack://application:,,,/HR.Themes.Fischer.WPF;component/Style.xaml"/> <!-- Reference color style --> <ResourceDictionary Source="pack://application:,,,/HR.Themes.Fischer.WPF;component/Colors/Colors_Blue.xaml"/> </ResourceDictionary.MergedDictionaries> </ResourceDictionary>