Convert Hex to Color and back

public static Color HexToColor(String hexString)
        {
            Color actColor;
            int redCode = 0;
            int greenCode = 0;
            int blueCode = 0;

            if (hexString.StartsWith("#") && hexString.Length == 7)
            {
                redCode = HexToInt(hexString.Substring(1, 2));
                greenCode = HexToInt(hexString.Substring(3, 2));
                blueCode = HexToInt(hexString.Substring(5, 2));

                actColor = new Color((byte)redCode, (byte)greenCode, (byte)blueCode);
            }
            else
                actColor = Color.White;

            return actColor;
        }


        public static String ColorToHex(Color actColor)
        {
            return "#" + IntToHex(actColor.R) + IntToHex(actColor.G) + IntToHex(actColor.B);
        }

        public static string IntToHex(int number)
        {
            return String.Format("{0:x}", number);
        }

        public static int HexToInt(string hexString)
        {
            return int.Parse(hexString, System.Globalization.NumberStyles.HexNumber, null);
        }