AngleSharp by Florian Rappl

<PackageReference Include="AngleSharp" Version="0.7.0" />

 Colors

static class Colors
This class contains information about colors like their given names or assignments of names to colors. Most names are derived from http://en.wikipedia.org/wiki/X11_color_names
public static readonly ICssObject Invert

public static Color? FromName(string name)

Gets a color from the specified name.

public static string GetNameFromColor(Color color)

Gets the name of the given color.