public void TestGetRelativeLuminance_Black()
        {
            double lumBlack = ColorContrastViewModel.GetRelativeLuminance(Colors.Black);

            Assert.AreEqual(0.0, lumBlack);
        }
        public void TestGetRelativeLuminance_White()
        {
            double lumWhite = ColorContrastViewModel.GetRelativeLuminance(Colors.White);

            Assert.AreEqual(1.0, lumWhite);
        }