I saw an LED dome light that did exactly that on a 3-position switch at West Marine last weekend. It was like this one, but I thought it was a 16 LED unit (8 white+8 red).
Description WM Model# MFG Part# Price
8-LED (4-White, 4-Red) 9265950 51150 $19.99
(No link in honor of my still-low post count)
1972 C&C 35' Mk I
Belmont Harbor, Chicago, IL