Changing brick color

brick.cs

using UnityEngine;
using System.Collections;

public class brick : MonoBehaviour {

    public int maxHits;
    private int timesHit;
    private LevelManager levelManager;
    int notTimesHit;
//I made notTimesHit So later i can use it to change color

	// Use this for initialization
	void Start () {
        timesHit = 0;
        levelManager = GameObject.FindObjectOfType<LevelManager>();
	
	}
	
	// Update is called once per frame
	void Update () {
        
    }
    void OnCollisionEnter2D (Collision2D col)
    {
        timesHit++;
        if (timesHit >= maxHits)
        {
            Destroy(gameObject);
        } else
        {
     	/*Here i subtracted maxhits - timesHit because then i would get a number which i could use later to determine which brick it is
     	and what color should it be changed to. */
            notTimesHit = maxHits - timesHit;
            changeColor();
        }
        
    }

    void changeColor()
    {
        if (notTimesHit == 2)
        {
            this.GetComponent<SpriteRenderer>().color = new Color(0, 1, 0, 1);
            // (0, 1, 0,1) is code for blue
        }
        if (notTimesHit == 1)
            this.GetComponent<SpriteRenderer>().color = new Color(251f, 255f, 0f, 255f);
            //(251f, 255f, 0f, 255f) is code for yellow
    }

    void SimulateWin()
    {
        levelManager.LoadNextLevel();
    }
}