<PackageReference Include="System.Drawing.Common" Version="10.0.1" />

Windows.Win32.Foundation.COLORREF

The COLORREF value is used to specify an RGB color.
namespace Windows.Win32.Foundation { internal readonly struct COLORREF : IEquatable<COLORREF> { public static implicit operator COLORREF(Color color); public static implicit operator Color(COLORREF color); public static implicit operator COLORREF(int color); public static implicit operator uint(COLORREF value); public static explicit operator COLORREF(uint value); public static bool operator ==(COLORREF left, COLORREF right); public static bool operator !=(COLORREF left, COLORREF right); public bool Equals(COLORREF other); } }