This expansive website has a lot of useful data about LED CRI, Color and variety.
Plenty of colorful large graphs. Easy to see!
Waveform Lighting
It is a retail source. They are not the factory, I assume, as they are in SF CA.
The good news is they have an affordable sample of their best.
ABSOLUTE SERIES™ LED Linear Module - 99 CRI - 1 ft / 280 mm MCPCB
Of course I have no connection with this company and found it web surfing.
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