what is the meaning of kelvin in a light bulb
aâ¬Â¢ Ã¢ A cfl with a Low kelvin number will have tone that is a bit; yellow a Higher kelvin number indicates a tone that is whiter or. bluerâ¬Â¢ A Ã¢ if you want a bulb to match the color of an, incandescent bulb look For a kelvin rating-OF. 2700 3000k