     return self
   }
   
-  func convertedForNavBar() -> UIColor {
+  public func convertedForNavBar() -> UIColor {
     var red: CGFloat = 0
     var green: CGFloat = 0
     var blue: CGFloat = 0

    self.init(red: red, green: green, blue: blue, alpha: 1)
  }
  
  func translucent(alpha: CGFloat = 0.5) -> UIColor {
    return self.withAlphaComponent(alpha)
  }
  
  func lighter() -> UIColor {
    var h: CGFloat = 0, s: CGFloat = 0, b: CGFloat = 0, a: CGFloat = 0
    if getHue(&h, saturation: &s, brightness: &b, alpha: &a) {
      return UIColor(hue: h,

    return self
  }
  
  public func darker() -> UIColor {
    var h: CGFloat = 0, s: CGFloat = 0, b: CGFloat = 0, a: CGFloat = 0
    if getHue(&h, saturation: &s, brightness: &b, alpha: &a) {
      return UIColor(hue: h,
