QUOTE(Cooley @ Nov 8 2004, 07:29 PM)
However, I still got a question "the colour temperature of HID is about 5000k while the normal bulb is about 2300k, the how come the HID is still COOLER than the normal????"
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This might explain it....
QUOTE
What about HID's color?
The color of the light source is expressed as its color temperature. As the color temperature increases, the color of the light moves from yellow to white to blue-white. HID headlights provide light at a higher color temperature than standard halogen headlights, which gives them a crisp white appearance. More K does not mean it is brighter. These 8000K lamps provide a very white/blue color.
so basically from that I read it as when they say temp, they mean the colour of the light, not temp as in degrees celsius etc.