What does the Correlated Colour Temperature mean in regards to LEDs?

Correlated Colour Temperature (CCT) is reference to the colour of light emitted by a reference solid object (Black Body) as it gets hotter from red through to white. It is expressed in degrees Kelvin. The sequence of colours describes a curve within a colour space. This is shown in the diagram on the right.

What do John Cullen Lighting Offer?
The standard JCL colour offering is 2700K. However in our flexible strip range we also offer 2400K (a warmer colour).

Why do we offer 2700K?
Traditionally residential properties were lit with incandescent lamps which emit light with a colour of roughly 2700K.

LED Colour Temperature