Photopic function factors, P (eye response)
(320-290 is UVB)
380 nm = 0.0002000 - UVA (still slightly visible as a violet or purple)
385 nm = 0.0003960 - UVA
390 nm = 0.0008000 - UVA
395 nm = 0.0015500 - UVA
400 nm = 0.0028000 - UVA
405 nm = 0.0046600
410 nm = 0.0074000
415 nm = 0.0118000
420 nm = 0.0175000
425 nm = 0.0227000

430 nm = 0.0273000 - Silicon Carbide / Gallium Nitride - SiC/GaN
435 nm = 0.0326000
440 nm = 0.0379000 blue
445 nm = 0.0424000 blue
450 nm = 0.0468000 blue
455 nm = 0.0521000 blue
460 nm = 0.0600000 blue
465 nm = 0.0739000 blue
470 nm = 0.0910000 blue - Silicon Carbide / Gallium Nitride - SiC/GaN
475 nm = 0.1130000 blue
480 nm = 0.1390000 blue
485 nm = 0.1690000 blue

490 nm = 0.2080000
495 nm = 0.2590000
500 nm = 0.3230000
505 nm = 0.4073000

510 nm = 0.5030000 green
515 nm = 0.6082000 green
520 nm = 0.7100000 green
525 nm = 0.7932000 green
530 nm = 0.8620000 green
535 nm = 0.9148500 green
540 nm = 0.9540000 green
545 nm = 0.9803000 green
550 nm = 0.9949500 green - Gallium Phosphide/Gallium Phosphide - GaP/GaP
555 nm 1.0000000 green - eye has strongest response per mW
560 nm = 0.9950000 green
565 nm = 0.9786000 green

570 nm = 0.9520000 yellow
575 nm = 0.9154000 yellow - Indium Gallium Aluminum Phosphide - InGaAIP
580 nm = 0.8700000 yellow
585 nm = 0.8163000 yellow - Gallium Arsenic Phosphide / Gallium Phosphide - GaAsP/GaP
590 nm = 0.7570000 yellow - Aluminum Arsenide LEDs - AIAs, Indium Gallium Aluminum Phosphide - InGaAIP

595 nm = 0.6949000 orange
600 nm = 0.6310000 orange
605 nm = 0.5668000 orange
610 nm = 0.5030000 orange
615 nm = 0.4412000 orange
620 nm = 0.3810000 orange

625 nm = 0.3200000 red - Indium Gallium Aluminum Phosphide - InGaAIP
630 nm = 0.2650000 red
635 nm = 0.2170000 red - Gallium Arsenic Phosphide / Gallium Phosphide - GaAsP/GaP
640 nm = 0.1750000 red (6 times less response than 555 nm
645 nm = 0.1382000 red
650 nm = 0.1070000 red
655 nm = 0.0816000 red
660 nm = 0.0610000 red - Gallium Aluminum Arsenide/Gallium Arsenide, GaAIAs/GaAsto to 940 nm
665 nm = 0.0446000 red
670 nm = 0.0320000 red
675 nm = 0.0232000 red (10 times less response than 635 nm red)
680 nm = 0.0170000 red
685 nm = 0.0119000 red
690 nm = 0.0082100 red
695 nm = 0.0057200 red
700 nm = 0.0041000 red - common cut-off point between red and infrared
705 nm = 0.0029300 dim red, beginning infrared
710 nm = 0.0020900 dim red (100 times less response than 635 nm red)
715 nm = 0.0014800 dim red
720 nm = 0.0010500 dim red
725 nm = 0.0007400 dim red
730 nm = 0.0005200 dim red
735 nm = 0.0003610 dim red
740 nm = 0.0002490 dim red (1,000 times less response than 635 nm)

745 nm = 0.0001720 infrared
750 nm = 0.0001200 infrared
755 nm = 0.0000848 infrared
760 nm = 0.0000600 infrared
765 nm = 0.0000424 infrared
770 nm = 0.0000300 infrared
775 nm = 0.0000212 infrared (10,000 times less response than 635 nm)
780 nm = 0.0000150 infrared (slight red still visible)

850 nm = infrared LED still has minor red glow in normal lighting
880 nm = infrared LED has VERY slight red glow in normal lighting
920 nm = infrared LED shows VERY slight red only in very dark room

770 to 870 - Aluminum-Gallium Arsenide AIGaAs
850 and 870 - -- Gallium Aluminum Arsenide/Gallium Arsenide, GaAIAs/GaAs
870 - Gallium Arsenide GaAs
930 - Indium Phosphide InP
1100 to 1670 - Indium-Gallium-Arsenide-Phosphide InGaAsP