Blue lights are used by emergency vehicles, and snowplows. NO ONE else is allowed to have them.

Also they an emit too much light, not enough as mentioned as well. If they're pretty noticeably blue, they're not nearly as good at illuminating, no matter how many lumens they're putting out. Blue doesn't brighten things up well, roads being one of them. And at night yellow/white lights are easier to see then blue. Your lights are for other motorists as much as they are for you.

Uhhh.... headlights are for identifying your car to others, as much as helping you see the road (i.e. other people will look at them). There have to be standards for colored lighting, or we would have a bunch of cars rolling around that looked like Vegas casino billboards... and that would be distracting without a doubt. If you are staring at a distraction for one second longer than necessary, your chances go up of plowing into someone/something. What'* the problem with keeping white/amber lights in the front, and red/amber lights in the back? That way everyone is legal and safe.

i will have to disagree on the fact of silverstars being the best. There are other brands of bulbs like mine that are hyper-white made by street glow and only cost $25 for a pair and have a blue tint to them. i think that silverstars are good dont get me wrong but they are overpriced and if you want to have bright white light they are awesome but many want the blue look and the hyper-whites are dot legal and have papers saying that they are. (hyper-whites also are brighter than silverstars because they run higher wattage) the hyper-whites have not hurt my electrical wireing in my car and i have had them for a good year and a half. Do not under any circumstances buy cool blue lights because they are the biggest waste of money ever and they are not blue. there are also red, purple, and green headlights that are dot legal for road use. but the only problem is if your cops in your area are touchy about things like that you might get pulled over to check them out. just make sure you keep your papers on it.

he wants to know which blue headlight that claims to be blue are actually blue... not how illegal blue headlamps are... just answering the question

In Michigan, true blue lights are only to be used on police cars (rollers as I like to call them! ). Snowplows and other emergency vehicles cannot and do not have blue lights on them. Or else they are ticketed.

The legality still needs to be mentioned. It'* still informative and educational info. If I wanted to do something and didn't know it was illegal, I'd sure want to know that.

Good Answer! I would want to know also. Who wants to be told by a COP???? Not me-thats for sure!