When you work with custom renderers on Xamarin Forms (and it’s very difficult not to!) you often have to convert from Xamarin Forms types to their native platform equivalent. In the iOS and Android implementations Xamarin include some extension methods to easily convert Color to the native equivalent. Being the Cinderella of the Xamarin Forms platforms Windows platforms have missed out on this so I’ve filled the gap with this handy extension method:-
https://gist.github.com/peterfoot/be89d5b3c5ac4cc16ae1
This works for Windows Phone 8.1, Windows Store and UWP targets (sorry I haven’t created the Silverlight equivalent)
In The Hand Ltd 