I tried below code:

```
[NSTimer scheduledTimerWithTimeInterval:1.0 target:self selector:@selector(myTimerMethod:) userInfo:nil repeats:NO];

-(void)myTimerMethod:(NSTimer*)timer
{

    label.textColor = [UIColor colorWithRed:0.5 green:0.5 blue:0.22 alpha:1.0];

}

```

but i want like below image type to change color.

![enter image description here](https://i.stack.imgur.com/KqPbE.png)