Soft white sounds like it will be the whiter of ... If, that is, you can figure out which one to buy. LED light bulbs are not generally labeled as “warm” or “cool”; that would be too ...

They are less energy efficient than CFL and LED bulb ... light. A bulb with a high Kelvin rating produces a whiter light, while a bulb with a lower Kelvin rating produces a warmer white.

Efficiency is the comparison of the amount of light (lumens) produced by a given amount of electrical energy (watts). The more the lumens per watt the more efficient the bulb.