| please read this: The HID Lighting Tutorial Some specific excerpts: "Some people like blue light and are willing to pay extra money for extra
blueness and less brightness---and thus the 6000K market. I'm sure the
reason isn't because people like to see everything on the road in
bluescale, but because they want their headlights to appear blue to
onlookers. The proper way to achieve more blue/violet in your HIDs is to
do an OEM projector HID retrofit and upgrade the projector lenses to
ECE-spec." "... Trying to emulate this ... effect with a solid-state blue or purple bulb
is only detrimental to lighting performance, it doesn't fool anyone, but
most importantly it endangers other motorists around you. Blue light has
what we call a very high diffuse density, which causes it to radiate
outwards as opposed to forwards. What results is a wide glow of light
outside the beam pattern that is blinding to motorists you share the road
with. A blue HID bulb will produce color bleed around the headlight,
around the objects it lights up, outside of the beam pattern, and around
the cut off line. This is effect is known as "glare", and these illegal and
improperly installed HID kits are the reason why HIDs get a bad wrap."
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