At present, the spectral wavelength distribution of several commonly used ultra-bright LEDs is 460-636nm, and the wavelengths appear from short to long as blue, green, yellow-green, yellow, yellow-orange, and red. The typical peak wavelengths of several common color LEDs are: blue-470nm, blue-green-505nm, green-525nm, yellow-590nm, orange-615nm, red-625nm.
