title: Label color under the identity inspector in Xcode 4
body: <p>under Identity Inspector as we all know that the label property is used to identify objects easier in interface builder, but what are the colors to the bottom of it used for ? I tried to select a color but nothing changed in interface builder.</p>
  
  <p>EDIT: screenshot:</p>
  
  <p><img src="https://i.stack.imgur.com/3Ekwq.png" alt="enter image description here"></p>