That's what I was looking for - thanks!
I'd call it mixed spectrum 3,000k & 5,000k with 660nm supplemental diodes.
It's not 4k.
A 4,000 Kelvin diode is 4k, mixed is mixed.
Edit - not trying to be too snarky with that response, but it's true.
Re:
A 5,000k diode contributes too much blue /...