     /**
      Initialize color from hex int (eg. 0xff00ff).
 
-     - parameter hex Hex int to create color from
+     - parameter hex: Hex int to create color from
      */
     public convenience init(hex: UInt32) {
         self.init(

    /**
     Initialize color from hex string (eg. "#ff00ff"). Leading '#' is mandatory.

     - parameter hexString Hex string to create color from
     */
    public convenience init(hexString: String) {
        var rgbValue: UInt32 = 0

    /**
     Make color lighter with defined amount.

     - parameter amount: Defines how much lighter color is returned. Should be from 0.0 to 1.0
     */
    public func lighter(amount: CGFloat) -> UIColor {
        return colorWithBrightnessAmount(1 + amount)
