import UIKit

class ViewController: UIViewController {

    var isBlue = true
    @IBOutlet weak var greenView: UIView!
    @IBOutlet weak var blueView: UIView!


    override func viewDidLoad() {
        super.viewDidLoad()
}

    @IBAction func changeBackgroundColorOnTapped(_ sender: Any) {
 // var aquaColor = blueView.backgroundColor

        if isBlue == true {
        blueView.backgroundColor = greenView.backgroundColor
        } else {
        blueView.backgroundColor = UIColor(red: 0/255.0, green: 128/255.0, blue: 255/255.0, alpha: 1)}
        isBlue = !isBlue
}

    @IBAction func panGest(_ sender: UIGestureRecognizer) {
        let point = sender.location(in: view)
        greenView.center = CGPoint(x: point.x, y: point.y)
}

}