public void ToAbgrString() { string[] colorsToTest = new[] { "ffaabbcc", "20f8f8f8", "ffaabbcc", "ffffffff", "01000000", "01020304" }; foreach (var color in colorsToTest) { var text = ColorX.FromAbgr(color).PackedValue.ToString("x8"); text.ToLowerInvariant().Should().Be(color, "Failed to convert color {0} correctly.", color); } }