Cool white appears brighter than warm white meaning its also more energy efficient.
4000k bright white. The three primary types of color temperature for light bulbs are. Cool white 4000K A much clearer and whiter appearance that is predominantly used in commercial locations like super markets and offices. Super Bright 50100150W 3-Way A21 LED Light Bulb 80016002200 Lumens 4000K Cool White Non-dimmable E26 Base UL Listed 2-Pack.
7000K Ultra-cool bright halogen at highest setting. Secondly what is the difference between 3000k and 4000k. Notably this temperature band resembles sunlight during the morning and afternoon.
Bright lighting can make peoples attention and work more positive. 3000K soft white bright sunrise or sunset. Provides bright white light 4000K using 90 CRI LED chips for accurate color rendering.
Allsmartlife 4-Pack 2x2 LED Panel Light Dimmable 4000KBright White 0-10V 40W140W Equivalent - White Frame 4147 Lumens 100-277V - DLC-Qualified and Lighting Facts 19399 56LED DownlightEnergy Star Retrofit LED Recessed Ceiling. 4300K and 6000K will be just as bright but will have a very light tint of yellow 4300K or. Compatible with most LED approved dimmers see instructions for model list.
2 Reviews Write a Review. A 4000K LED bulb produces a bright white or cool toned kind of color which gives a warm effect as well as bright enough to work beneath it. LED 7 Watt 50w Equivalent 3000k Warm White Dimmable Indoor Outdoor 10 Pack Br20.
45 out of 5 stars. LED bulbs are selected for their color and the 4000k is yellow-ish. 1900K warm candlelight.

