It provides a color of light which is both energetic as well as relaxing.
4000k light temperature. Bright lighting can make peoples attention and work more positive. Make people see the essence of things without overexposure. The overall Kelvin scale ranges from 1000K to 10000K.
Commonly used temperatures range from 2700K-3300K according to Jeff Dross corporate director of education and industry trends at Kichler Lighting. If you have a larger space and you want to bring an edgy look in your kitchen the track lightings are the best. K is short for Kelvin.
Generally warm light is anything 3000K or lower while cool light is 4000K or above. If you have a larger space and you want to bring an edgy look in your kitchen the track lightings are the best. As soon as LEDs came onto the scene they were immediately available in warm white 3000K and cool white 4000K.
As a rule of thumb warmer color temperatures are used on architectural elements between 2500k-2700k and slightly cooler temperatures are used on plant material in. It provides a color of light which is both energetic as well as relaxing. But task lighting may be useful at 4000K and above.
Wattage is simply a way to measure some of the light output. You just bought a light bulb and without knowing or caring you got extra warm white with a colour temperature fo 2700K to 2800K. Considering all the above factors a 4000K LED bulb is the best color temperature for your kitchen.
4000K is an often overlooked color temperature as it falls right in between warm white 2700K3000K and daylight white 5000K6500K color options. LED color temperatures can look vastly different from one another and range from a warm candlelight glow to the cool bright fluorescent color. These lights are on the cooler side and give off a whiter color than 2700K and 3000K.

