The kelvin value of the 70456 is 4000 .. The night-tech that you listed (10707) is 3600 (source: PIAA | H7 Night Tech Twin Pack Halogen Bulbs #10707).
As far as i know, the wattage does not change the kelvin of a bulb tho.
As far as i know, the wattage does not change the kelvin of a bulb tho.
