private Color(String name,int index)
{
    this.setName(name);
    this.setIndex(index);
}

private Color(String name,int index)
{
    this.setName(name);
    this.setIndex(index);
}

public static String getName(int index)
{
    for (Color c :Color.values()) {
        if(c.getIndex()==index)
        {
            return c.name;
        }
    }
    return null;
}