ColorFromHex.cs

using UnityEngine;

public class Util
{
    public static Color ColorFromHex(string hex)
    {
        hex = hex.Trim();
        if (hex[0] == '#')
            hex = hex.Substring(1, hex.Length-1);
        byte r=0, g=0, b=0;
        if (hex.Length == 6)
        {
            r = byte.Parse(hex.Substring(0,2), System.Globalization.NumberStyles.HexNumber);
            g = byte.Parse(hex.Substring(2,2), System.Globalization.NumberStyles.HexNumber);
            b = byte.Parse(hex.Substring(4,2), System.Globalization.NumberStyles.HexNumber);
        }
        else if (hex.Length == 3)
        {
            r = byte.Parse(hex.Substring(0, 1) + hex.Substring(0, 1), System.Globalization.NumberStyles.HexNumber);
            g = byte.Parse(hex.Substring(1, 1) + hex.Substring(1, 1), System.Globalization.NumberStyles.HexNumber);
            b = byte.Parse(hex.Substring(2, 1) + hex.Substring(2, 1), System.Globalization.NumberStyles.HexNumber);
        }
        return new Color32(r,g,b, 255);
    }
}