Returns a nicely formatted string of this color.

	var w : Color32 = Color.white;
	print(w.ToString("x"));

using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    public Color32 w = Color.white;
    void Example() {
        print(w.ToString("x"));
    }
}

import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	public w as Color32 = Color.white

	def Example() as void:
		print(w.ToString('x'))