I see in Vol 2 of The Reef Aquarium (Sprung and Delbeek; p. 390) that two colors can coexist, and one of those (purple) is one that I already have, but I was wondering if anyone here had or knew of two colors together and how that worked out.
TIA
Here's the one I've had for a couple of years:
TIA
Here's the one I've had for a couple of years: