[objc]UINavigationBar : 네비게이션 버튼 색 바꾸기

UIBarButtonItem *rightButton = [[UIBarButtonItem alloc] initWithTitle:@"Done"

                                                                    style:UIBarButtonItemStyleDone target:self action:@selector(tapButton)];

    [rightButton setTintColor:[UIColor colorWithRed:0.0/255.0 green:200.0/255.0 blue:0.0/255.0 alpha:1.0]];

    self.navigationItem.rightBarButtonItem = rightButton;