Switching windows between 2 light colors

[slookabill]

I'm about to start working on my Acclamator(JPG kit)... and one thing I think would be cool would be to have the windows/lights switch from a white/blue to a red, with a switch. Is there any way to do this easily without having to drill second holes and run a second set of fiber?

[Tracy White]

You could get smart, addressable LEDs like the Adafruit Neopixels. While you'd only need one set of fiber per window you'd need a microcontroller of some sort to manage the switching.

You might be able to get away with a regular RGB LED but I'm not sure what values you'd need to pump through to get white, so it might not be easy either.

[RossW]

R, G, B = 255, 255, 255 will give you white with a RGB LED.