Sony's DualShock 4 light bar can't be turned off to save battery

[Gnac]

outlawauron said:
Well, at least they'll be able to use the colors to identify P1, P2, P3, etc.

If I see two lights lit up, I know that's player 2's controller. How could colours convey this? Bear in mind that a need for an external reference would add unneccesary complexity.