You can choose from a variety of different paint colors to decorate your walls and create the perfect mood to reflect your personality. You can also create the perfect paint color with the help of the New Dulux Valentine Visualizer app. The app uses your phone's camera or motion sensors to detect when you are close to the wall and then changes the color of the wall in real time. You can choose from a variety of different paint colors to decorate your walls and create the perfect mood to reflect your personality. The New Dulux Valentine Visualizer app is designed to work with the New Dulux Valentine paint color selector and will only work on devices that are equipped with motion sensors.