public void ShouldReturnTheCorrectValueWhenOtherIsHigher()
            {
                var color = new ColorHSL(0.5, 0.5, 0.5);
                var other = new ColorHSL(1.0, 1.0, 1.0);

                Assert.Equal(-1, color.CompareTo(other));
            }
            public void ShouldReturnTheCorrectValueWhenOtherIsEqual()
            {
                var color = new ColorHSL(1, 2, 3);

                Assert.Equal(0, color.CompareTo(color));
            }