Their replacement equivalents, compact fluorescent lightbulbs and light-emitting diode bulbs, are bright, use 75 to 80 percent less energy, and can save you $60 to $125 dollars per bulb in energy ...

Those with 2700 K are closest to incandescent bulbs; ones with 3000 K are similar to halogen bulbs. The averaged measured color rendering of ten bulb samples. Those closer to 100 will better ...