using System; public class Test { public static void Main() { string colour = "#FFFC9684".TrimStart('#'); string R = colour.Substring(2, 2); string G = colour.Substring(4, 2); string B = colour.Substring(6, 2); int decValue = int.Parse(B + G + R, System.Globalization.NumberStyles.HexNumber); Console.WriteLine(decValue); } }