I have this from Sing.
Here is the LED spectrum we offer, he confined the ww as 2700-3000K, 3000-3500K, and 4000-4500K:
LED spectrum: 380-410(peak 400), 420-440(peak 430), 440-450(peak 445), 450-470(peak 460nm), green 525nm, yellow 580nm, orange 600-615(peak 610nm), red 620-640(peak630nm)...