1. Labeled “soft white,” with a 2700K color temperature and 400 lumens, this Sylvania Ultra LED can be used in most household lamp sockets. It emits a color hue similar to that of a standard incandescent light bulb.

2. This Utilitech compact fluorescent flood light, with 400 lumens and 50 watts, has a 3500K color temperature. It is considered “bright white” and is ideal in kitchens or wide open spaces.

3. The Ecosmart “daylight”-labeled CFL has a 5000K color temperature and 1750 lumens. The bright “natural” color appearance is best used on porches and patios, as well as for workshop lighting.