title: Swift 2.0 use of undeclared type UIColor
body: <p>Why can't i use UIColor in Swift 2.0?</p>
  
  <p>Makes no sense.</p>
  
  <p><a href="https://i.stack.imgur.com/repTw.png" rel="noreferrer"><img src="https://i.stack.imgur.com/repTw.png" alt="enter image description here"></a></p>