They last 25 times longer than traditional bulbs, they contain absolutely no mercury, and each year, they save homeowners impressive amounts of money in annual energy costs. They are LED light bulbs – and if you're the type of person who appreciates cost savings, you're probably going to want to start using them.
That said, not all LED light bulbs are created equal. Some are warm-toned and some are cool-toned. Then there are those that are best described as neutral. LED light bulbs tend to mimic sunlight, so understanding color temperature is important. Color temperature refers to how "warm" (amber-colored) or "cool" (blue-colored) the light appears. This is similar to sunlight, which appears very cool during midday but warm at sunset.