Why do some cars have blue headlights?

What is the advantage of blue headlights?

HID bulbs emit intense blue white light which offer better visibility as compared to the yellow light produced by typical halogen headlights. In simple terms, HID bulbs often much better visibility at night allowing drivers to react to emergency situations much more quickly as compared to halogen bulbs.

Are blue headlights legal on a car?

California permits only headlamp bulbs that emit white or yellow light. Since high-intensity HID bulb light is blue, these lights are not permitted on vehicles in the state.

Are color headlights illegal?

The only color headlight that is legal to use in any state is white. This means that you cannot use any other color headlight. … Most states mandate that the only allowable colors for lights on the front of a vehicle are white, yellow, and amber.

Are blue headlights good?

The results are clear: The DoT’s study found that 88% of drivers surveyed noticed a significant glare and visual impairment when facing blue headlights. Another study by the National Highway Traffic Saftey Administration found that blue lights contribute to heavy glares and late-night crashes.

Can I use blue headlight bulbs?

The bulbs must either be white or yellow. That means bulbs that produce a blue light are not approved for road use. Halogen bulbs with a colour temperature over 4200K are not road legal. … You can use blue bulbs for off-road use.

IT IS SURPRISING:  Do living room table lamps have to match?

How do you get blue headlights?

The new blue-ish headlights are using a different technology called High Intensity Discharge (HID). We normally see HID lamps in the form of mercury vapor and sodium vapor lights used as street lamps and as outdoor lighting for stadiums. These lamps are popular because they are efficient.

Are green headlights illegal?

The answer here is no and yes. Green headlights — or lights of any color other than white or yellowish white and, in some cases red — are not legal. … Any incidental visible light projecting to the front of the vehicle shall be predominantly yellow to white.”

Are LED headlights illegal?

Aftermarket LED replacement bulbs are illegal, but there’s little enforcement at the federal level. … “There are currently no LED headlamp replaceable bulbs that meet federal safety standards.

Categories LED