             self.set(color:UIColor(CMYK:CMYK).withAlphaComponent(self.color.alpha), animated:false)
         }
         
-        slider.slider.addTarget(self, action: #selector(PickerOfColorWithSliders.handleSliderEvent(_:)), for: .allEvents)
+        slider.actionOnLeftButton = { [weak self] slider in
+            guard let `self` = self else { return }
+            var CMYK = self.color.CMYK
+            CMYK.yellow -= 1.0/255.0
+            CMYK.yellow = CMYK.yellow.clampedTo01
+            self.set(color:UIColor(CMYK:CMYK).withAlphaComponent(self.color.alpha), animated:false)
+        }
+        
+        slider.actionOnRightButton = { [weak self] slider in
+            guard let `self` = self else { return }
+            var CMYK = self.color.CMYK
+            CMYK.yellow += 1.0/255.0
+            CMYK.yellow = CMYK.yellow.clampedTo01
+            self.set(color:UIColor(CMYK:CMYK).withAlphaComponent(self.color.alpha), animated:false)
+        }
         
         return slider
     }

        
        result.build(side:side)
        
        return result
    }
    

            self.set(color:UIColor(HSBA:HSBA), animated:false)
        }
        
        slider.actionOnLeftButton = { [weak self] slider in
            guard let `self` = self else { return }
            var HSBA = self.color.HSBA
            HSBA.saturation -= 1.0/255.0
            HSBA.saturation = HSBA.saturation.clampedTo01
            self.set(color:UIColor(HSBA:HSBA), animated:false)
        }
        
        slider.actionOnRightButton = { [weak self] slider in
            guard let `self` = self else { return }
            var HSBA = self.color.HSBA
            HSBA.saturation += 1.0/255.0
            HSBA.saturation = HSBA.saturation.clampedTo01
            self.set(color:UIColor(HSBA:HSBA), animated:false)
        }
        
        return slider
    }
    
    public func addComponentSliderBrightness    (side:CGFloat = 32, action:((Int)->Bool)? = nil) -> ComponentSlider {
        
        let slider = self.addComponentSlider(label  : "B" | UIColor.lightGray | UIFont.systemFont(ofSize: UIFont.smallSystemFontSize - 2),
                                             title  : "B R I G H T N E S S" | UIColor.white | UIFont.systemFont(ofSize: UIFont.smallSystemFontSize - 1),
                                             color  : UIColor(white:0,alpha:0.02),
                                             side   : side)
