Then theres a jumble of names ranging from neutral white.
Bright white color temperature. Color temperatures between 3100K and 4500K are referred to as cool white or bright white Light bulbs within this range will emit a more neutral white light and may even have a slightly blue tint. It refers to how warm or cool something appears when lit by that source ie candles are around 1800-2000 K while sunlight on an overcast day might be as low as 4000 K and regular light bulbs around 2700 K. Suitable lighting color temperature will influence workers productivity.
4000K is part of the band called bright white. Cool White is the highest Kelvin temperature of the three categories being over 4500K. These temperatures are brighter offering a cleaner look than the warm temperatures.
For most residential installations especially bedrooms and living room areas these color temperatures will work well. The three primary types of light bulb color temperature are. Our new line of cost-effective energy-efficient A19s offers five varying color temperatures.
Warm white 2000 to 3000 Kelvin. It even has a slight blueish tint. These range from cool white to bright white with the higher temperatures starting to show a slightly blue tint.
Color temperatures higher than 3500K are typically used for. If you like the traditional yellowish colour of a conventional lamp then warm white around 2700-3000K would be the ideal choice this is the most popular choice for homes. When most people think of LED bulbs they picture a bright white.
4000k is a typical color temperature for retail establishments and offices. The higher the Degrees Kelvin the whiter the color temperature. Speaking of the differences between 6000K LEDs and 5000K ones think as weve just told you.

