var slider1 :UISlider! = nil
var slider2 :UISlider! = nil
var slider3 :UISlider! = nil
view.backgroundColor = #colorLiteral(red: 0.4745098054, green: 0.8392156959, blue: 0.9764705896, alpha: 1)
slider1 = UISlider()
slider1.frame = CGRect(x: 20, y: 50, width: 354, height: 40)
view.addSubview(slider1)
slider1.value = 0.5
slider1.thumbTintColor = UIColor.brown
slider1.minimumValue = 0
slider1.maximumValue = 255
slider1.addTarget(self , action: #selector(siderAction), for:.valueChanged)
slider2 = UISlider()
slider2.frame = CGRect(x: 20, y: 100, width: 354, height: 40)
view.addSubview(slider2)
slider2.thumbTintColor = UIColor.red
slider2.minimumValue = 0
slider2.maximumValue = 255
slider2.minimumTrackTintColor = UIColor.green
slider2.maximumTrackTintColor = UIColor.red
slider2.addTarget(self , action: #selector(siderAction), for:.valueChanged)
slider3 = UISlider()
slider3.frame = CGRect(x: 20, y: 150, width: 354, height: 40)
view.addSubview(slider3)
slider3.thumbTintColor = UIColor.yellow
slider3.minimumValue = 0
slider3.maximumValue = 255
slider3.addTarget(self , action: #selector(siderAction), for:.valueChanged)
}
func siderAction(slider:UISlider){
let color = UIColor (colorLiteralRed: slider1.value/255, green: slider2.value/255, blue: slider3.value/255, alpha: 1.0)
self.view.backgroundColor = color
}