public void ConvertFromHex()
        {
            // Arrange
            string colorString   = "#FFFFFFFF";
            Color  expectedColor = Color.FromArgb(255, 255, 255, 255);

            // Act
            var colorResult = ColorExtensions.ConvertHexStringToColor(colorString);

            // Assert
            Assert.AreEqual(expectedColor, colorResult);
        }