class ViewController: UIViewController, ColorPickerViewDelegate {

    @IBOutlet weak var colorPicker: ColorPickerView!

    override func viewDidLoad() {
        super.viewDidLoad()

        // Set delegate of color picker
        colorPicker.delegate = self
    }

    func colorPickerDidSelectColor(_ colorPicker: ColorPickerView) {
      // Can get the selected color from the color picker
      let color = colorPicker.selectedColor
    }
}