What color are LED headlights?
Pretty much all white LEDs are made the same way– they start with a blue led die, and use a red/green phosphor coating (the yellow stuff on any white LED) that is activated by the blue light to create the rest of the wavelengths needed to for white light.
Why do LED headlights look blue?
Why do LED lights look blue? That’s because the energy that is emitted falls within the wavelength that determines the color blue. That wavelength is 450 and 500 nanometers. A certain amount of voltage is applied to the diode, and that voltage is also a contributing factor to the color that will be resultant.
What kind of headlights are blue?
The factory blue headlights are known as HID (high intensity discharge) headlights. Just like the name describes, they’re brighter than normal halogen headlights. Traditional lights heat a small metal filament to produce light while HID lights create a plasma discharge arc between two tungsten electrodes.
Are color headlights illegal?
“The California Vehicle Code specifically requires headlights to be clear and exhibit white light or amber, in the case of turn signals.” “Any other color of headlight is illegal in California. Sometimes people will modify their vehicles with high-intensity lights, oftentimes that are blue in color and illegal.