The Philips Ultra Efficient LED bulb comes in three sizes (A19, A21, and BR30) and two color temperatures (3000K) soft white and 5000K daylight). Currently, the bulbs are being sold exclusively at ...

Perhaps less-blue LED lights won’t improve vision and sleep issues, but they may improve another important health factor: quality of life. “Historically, 5000 to 6000 Kelvin LEDs were the only ...

Sylvania TruWave 5000K LED Bulbs (6-pack) Amazon. These daylight bulbs are great for any room you want to feel energized in, from a home gym to your office space, and play great with natural light.

There is a second type of LED bulb available in the A19 and A21 size that did not exist as an incandescent called “daylight.” ... the LEDs can have a Kelvin temperature of 3500K and 5000K.