                         ? (HUE + inflect.radians) - M_2PI
                         : HUE + inflect.radians
     
-    let plus150:UIColor = UIColor(hue: HUEP, saturation: hsb.s, brightness: hsb.b, alpha: 1.0)
-    let minus150:UIColor = UIColor(hue: HUEM, saturation: hsb.s, brightness: hsb.b, alpha: 1.0)
+    let plus150:UIColor = UIColor(hue: HUEP, saturation: hsb.s, brightness: hsb.b, alpha: self.alpha)
+    let minus150:UIColor = UIColor(hue: HUEM, saturation: hsb.s, brightness: hsb.b, alpha: self.alpha)
     
     return (self, plus150, minus150)
   }

    
    let H:CGFloat = (HUE / M_2PI)
    
    return UIColor(hue: H, saturation: hsb.s, brightness: hsb.b, alpha: 1.0)
  }
  
  ///

                        ? (HUE + inflect.radians) - M_2PI
                        : HUE + inflect.radians
    
    let plus30:UIColor = UIColor(hue: HUEP, saturation: hsb.s, brightness: hsb.b, alpha: self.alpha)
    let minus30:UIColor = UIColor(hue: HUEM, saturation: hsb.s, brightness: hsb.b, alpha: self.alpha)
    
    return (self, plus30, minus30)
  }
