Hey man, it's real easy to do this. They are a 921 bulb for the map lights and would be part number 921-R12 for red and 921-B12 for blue.
4210-RHP6 would be for red and
4210-BHP6 would be for blue.
These are p/n's for superbrightleds.com. Let me know if there is anything else I can help you with