Xamarin.CommunityToolkit by Microsoft

<PackageReference Include="Xamarin.CommunityToolkit" Version="1.2.0-pre2" />

.NET API 347,512 bytes

ColorToGrayScaleColorConverter

public class ColorToGrayScaleColorConverter : BaseConverterOneWay<Color, Color>

Converts the incoming value from Color and returns the object of a type Color.

public ColorToGrayScaleColorConverter()