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

                        ? (HUE + inflect.radians) - M_2PI
                        : HUE + inflect.radians
    
    let plus120:UIColor = UIColor(hue: HUEP, saturation: hsb.s, brightness: hsb.b, alpha: 1.0)
    let minus120:UIColor = UIColor(hue: HUEM, saturation: hsb.s, brightness: hsb.b, alpha: 1.0)
    
    return (self, plus120, minus120)
  }

                        ? (HUE + inflect.radians) - M_2PI
                        : HUE + inflect.radians
    
    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)
  }
