Genrate random color IOS objective c? : Genrate random color 

    float red   = (float)(arc4random() % 255)/255.0;  
    float blu   = (float)(arc4random() % 255)/255.0;  
    float green = (float)(arc4random() % 255)/255.0;  
    view.backgroundColor = [UIColor colorWithRed:red green:green blue:blu   alpha:1.0]; 

 