Saving UIColor to and loading from NSUserDefaults

Swift

private let colorPickerKey = "ColorPickerKey"

var selectedColor: UIColor? {
    get {
        guard let colorData = UserDefaults.standard.object(forKey: colorPickerKey) as? Data,
            let color = NSKeyedUnarchiver.unarchiveObject(with: colorData) as? UIColor else { return nil }
        return color
    } set {
        guard let newValue = newValue else {
            UserDefaults.standard.removeObject(forKey: colorPickerKey)
            return
        }
        let colorData = NSKeyedArchiver.archivedData(withRootObject: newValue)
        UserDefaults.standard.set(colorData, forKey: colorPickerKey)
    }
}