Generalized wavelength for LED chip
Unit: nanometer (nm)
Red: 615-650 nm
Orange: 600-610 nm
Yellow: 580-595 nm
Yellow-green: 565-575 nm
Green: 495-530 nm
Blue: 450-480 nm
Purple: 370-410 nm
White: 450-465 nm
Strict wavelength for LED
Red: 620-630 nm
Orange: 603-608 nm
Yellow: 585-595 nm
Green: 515-525 nm
Yellow-green: 565-575 nm
Blue: 465-475 nm
Purple: 370-410 nm
Sources: http://www.lednews.org/wavelength-for-different-led-color/
