Swift color picker

let picker = UIColorPickerViewController()

present(picker, animated: true, completion: nil)

extension ViewController: UIColorPickerViewControllerDelegate {

    //  Called once you have finished picking the color.
    func colorPickerViewControllerDidFinish(_ viewController: UIColorPickerViewController) {
        //viewController.selectedColor

    }

    //  Called on every color selection done in the picker.
    func colorPickerViewControllerDidSelectColor(_ viewController: UIColorPickerViewController) {
        //viewController.selectedColor
    }
}