For those who may have wondered about specs, I wrote the company.
Their reply :
"Although it does not look like it due to the amount of red spectrum in the bulb, but the Colormax bulb is in the range of 8000K according to the Plankian Locus (Kelvin graph).
They were not designed that way as we just designed them to enhance the colors of fish so there was never a Kelvin rating advertised. It wasn’t until a number of years later was there a Kelvin test done on the bulb.
Central Aquatics Tech Lead
Kent Marine, Coralife, Aqueon, Oceanic, Zilla"
There ya go