The color temperature of a light, measured in kelvins, is its most noticeable characteristic. A candle, at 1900 K, appears orange. Daylight, at 5500 K, is much whiter and bluer. A 5500-K bulb, however ...
LED technology has come a long way in the last five years, and in 2020 there are a bunch of brands selling well-made, well-engineered LED replacements for your car's old halogen headlight bulbs.