Further detail about this can be seen here.
2700k vs 3000k vs 4000k. Candlelight has a color temperature of about 1800 K and the light that comes from it is yellow soft and warm. A kitchen needs warm colored bulb ranging from 3000K to 4000 K. Although these temperatures are fairly close together there are minor differences that could help warm or cool your space to the desired temperature.
This particular downlight has 3000K 4000K and 5000K in one providing even more flexibility. In these areas there are more visual tasks. 4000K is really the transitional color temperature that begins to turn the warmer yellow of 3000K into a cool white.
3000K and below are considered warm white lighting. Produces a soft white light thats crisper than 2700K similar to halogen lamps. There is a very slight difference between 2700K and 3000K but 3000K is ideal for active areas like the kitchen bathroom hallways laundry home office living room etc.
Produces a bright white light thats ideal in kitchens offices workspaces and vanities where detail-oriented tasks are performed. If you cannot make up your mind for Hogos newest group buy here are all the emitters compared albeit in different lights All are 219C R9050. Above 5000K color temperature.
A standard 60 W bulb will give a warm glow of about 2700K while most fluorescent lamps have a white light that is mostly neutral of. A kitchen needs warm colored bulb ranging from 3000K to 4000 K. Bright lighting can make peoples attention and work more positive.
Here are some suggestions for color temperature and brightness by the type of space. And study areas need 5000K to 6000K LED bulbs for a bright daylight color. 7000K Ultra-cool bright halogen at highest setting.

