Change the lights on the [thing]!
(There's no picture now as we have taken the camera down while we do some home maintenance. The colors in the boxes are correct, though!)
The color picker is generated by your browser, and may vary. Just click on the color box to start. Find a color, select it, then press the SEND button to change the color. If we have a camera on the object, it may take up to a minute to see the change. Patience, padawan.
So, how does this work? Read on.