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Location: Service and Support FAQ
What is CCT?

The Color Correlated Temperature level (CCT) is given in the description of each of our white led bulbs. The color (CCT) of our white bulbs ranges from a warm yellow white (2700K) to a cool blue white (7000K).


By comparison, a typical incandescent bulb has a CCT of 2800K. A common halogen is a bit higher, possibly 3500K. Daytime white is 4500K and a cool white fluorescent is 6000K or more.


The human eye adapts to background light so that even a daytime white bulb could look somewhat blue in a space brightened primarily with incandescent bulbs. Likewise, an incandescent bulb will certainly look really yellow and even orange in midday sunlight.