if you want the best cleanest light from youe headlight to the road its going to be 6K"6000"temp it will burn with the purest white light,so projected to the road it will reflect every lil small thing,such as signs and the road itself,yet does not have a blurring "haze" coming from it like the ricer 8K blue,where it does not have useable light,all it is,is a bright ass blue color light projected to the ground and will g;are with the human eyes,