What do you want to know about tunable LED lighting? It is rather simple if you want to create any color in the spectrum. The breakthrough was the invention of the blue LED and then they packaged the red, green and blue in the same capsule so a driver could provide voltage to each lead on the LED according to what the lighting computer commanded it to do.
The designers can order anything they want including bright yellow which I would like to see here but I would settle for purple when the car launches.
Did you see the art where the green smoke was added to the launch tube? That could be done with intense green leds and carbon dioxide sprayers. That would set the world on edge (I am watching the Jimmy Hendrix documentary)