What does Colour Temperature mean in the Lighting Industry?

Colour temperature, which is measured in Kelvin, is used to describe the colour emitted by a lamp. See table below for LED color temperature variations.

Kelvin Colour Good For
2700° Soft White Warm environment, colour similar to incandescent lighting
3000° Warm White Warm inviting ambiance
4100° Pure White Helps you see more detail
5000° Daylight Close to the colour of the sky on a sunny day