                     blue    : .white,
                     hue         : .lightGray,
                     saturation  : .lightGray,
-                    brightness  : .lightGray
+                    brightness  : .lightGray,
+                    cyan        : .black,
+                    magenta     : .white,
+                    yellow      : .black,
+                    key         : .white
                     )
             }
             

            fieldH.text = String.init(format: "%1.3f", HSBA.hue)
            fieldS.text = String.init(format: "%1.3f", HSBA.saturation)
            fieldB.text = String.init(format: "%1.3f", HSBA.brightness)
        }
    }
    

                    public var hue              = UIColor(hsb:[0.14,1,0.80])
                    public var saturation       = UIColor(hsb:[0.08,1,0.90])
                    public var brightness       = UIColor(hsb:[0.40,0,0.99])
                    public var cyan             = UIColor.cyan
                    public var magenta          = UIColor.magenta
                    public var yellow           = UIColor.yellow
                    public var key              = UIColor.black
                }
                
                public var background     = Colors()
