Some Basic Util classes for Unity3D

ColorUtil.cs

using UnityEngine;
using System.Collections;

public class ColorUtil
{

  public static string ColorToHex (Color32 color)
	{
		string hex = color.r.ToString ("X2") + color.g.ToString ("X2") + color.b.ToString ("X2");
		return hex;
	}
	 
	public static Color HexToColor (string hex)
	{
		byte r = byte.Parse (hex.Substring (0, 2), System.Globalization.NumberStyles.HexNumber);
		byte g = byte.Parse (hex.Substring (2, 2), System.Globalization.NumberStyles.HexNumber);
		byte b = byte.Parse (hex.Substring (4, 2), System.Globalization.NumberStyles.HexNumber);
		return new Color32 (r, g, b, 255);
	}
}