the i think it's stock head light bulb that projects green-blue-purple? not sure if it's a stock bulb of aftermarket.
it's a kick *** bulb and mine burned out yesterday.
in in so cal so if you cali guy's know where i can pick it up that would be sweet.
rick

 

not sure about the color ones bro bit I have always like the supper brite white ones. Looks sweet at night.