DOT and ECE approved HID headlights are NOT blue.

They are WHITE.

The BLUE you see is because of the cutoff shield in the projectors. It bends the light that hits it, and causes the blue prism effect you see. The actual beam of light is 4100-4300K is color temp.

Correct, but that'* still a lot of blue hue in the light relative to halogens, and that will cause it to glare more then normal. Lexus is one manufacturer who likes to compensate for this with yellow fog lights a lot.

It'* a thin line of blue... I have them in my Jeep. They do NOT glare more than any other light.

The blue is a lot dimmer than the white main beam.



Can't even see it on the road.

either way, blue and white bulbs are not as effective as a yellow bulb, especially in wet/foggy conditions, as said before, lexus uses the yellow for a reason

Nothing against your setup, and I wish I could get some in my car, but HID'* will glare more off of a semi reflective surface, the same way silverstars will over regular halogens. Many people percieve the glare as extra brightness, and 95-99% of the time, it'* out of consequence.

Daniel Stern Lighting is a great read & resource.

Yea, I agree, Selective Yellow, 3000K'ish color temp is still better for fog and snow. I have yellow fogs on my jeep now. Too bad they're too dim to do much. I plan on getting the new H3C HID kit for them. They're projectors, so the light will still have the nice sharp fog cutoff and wide beam, but just be about 3x brighter, and still yellow. Should work well.

(4100 and 4300 which are OEM ratings are not shown)

AND
here is a comparison between 3000k and 4100k

3000k (to show thickness)


4100k...


3000k


4100k...


3000k

Yay, useful pics!

I ordered some yellow bulbs for my hella'* today.
I have HIDs now too, but I dont want HID in my fogs and it is impossible to get a fog light/driving light bulb that isnt HID to match an acctual HID bulb. So I am going yellow in the fog spot.

so you have HID'* w/o projectors??

and it'* really not that hard to match colors if you get the right bulbs.