Andy Burns wrote in news:eag3e4Ffk7hU1
@mid.individual.net:

Adam Aglionby wrote:

LEDs have a lot of near visble blue in them

As spectacle wearing drivers will notice, it is noticeable that the blue
component is strong when looking at white LED daylight running lights of
a following car in your side-mirrors ...


I think that is "fringing" due to the lens being cheap and not colour
corrected (as a camera lens is) Different wavelengths refract differently
and give a rainbow fringe.