title: UIButton title text color
body: <p>I'm setting text color for <code>UIButton</code></p>
  
  <pre><code>headingButton.titleLabel.textColor = [UIColor colorWithRed:36/255.0 
                                                       green:71/255.0 
                                                        blue:113/255.0 
                                                       alpha:1.0];
  </code></pre>
  
  <p>It's not changing color same code I'm using in another code it's working.</p>