Colors and light wavelength tool
This little tool should help you get some reasonable logaritmic values.
Visible light goes between 390 and 750 nm.
This script tries to resemble
this chart
, but may not reflect reality completely.
Lowest wavelength:
nm
Highest wavelength:
nm
Number of bands:
Precision:
(1-9)
390
410
430
450
480
500
520
550
580
610
640
670
710
740
780