HexToColorConverter

HexToColorConverter.cs

 public static class HexToColorConverter
    {
        /// <summary>
        /// Converts a hexadecimal string value into a Brush.
        /// </summary>
        public static SolidColorBrush ConvertToBrush(string value)
        {
            return new SolidColorBrush(ConvertToColor(value));
        }

        /// <summary>
        /// Converts a hexadecimal string value into a Color.
        /// </summary>
        public static Color ConvertToColor(string value)
        {
            if (string.IsNullOrEmpty(value))
            {
                return Colors.Black;
            }

            byte alpha;
            byte pos = 0;

            var hex = value.Replace("#", "");
            if (hex.Length == 8)
            {
                alpha = Convert.ToByte(hex.Substring(pos, 2), 16);
                pos = 2;
            }
            else
            {
                alpha = Convert.ToByte("ff", 16);
            }

            var red = Convert.ToByte(hex.Substring(pos, 2), 16);

            pos += 2;
            var green = Convert.ToByte(hex.Substring(pos, 2), 16);

            pos += 2;
            var blue = Convert.ToByte(hex.Substring(pos, 2), 16);

            return Color.FromArgb(alpha, red, green, blue);
        }
    }