public void Spin()
        {
            RgbColor origin = ColorUtils.HexToRgb("#f2330d");

            IColor result1 = origin.Spin(+30);
            IColor result2 = origin.Spin(-30);

            Assert.AreEqual("#f2a60d", result1.ToHex());
            Assert.AreEqual("#f20d59", result2.ToHex());

            IColor result3 = origin.Spin(+30 + 360);
            IColor result4 = origin.Spin(-30 - 360);

            Assert.AreEqual("#f2a60d", result3.ToHex());
            Assert.AreEqual("#f20d59", result4.ToHex());
        }