Lamp Colour Temperature

Although most lamps appear to emit white light, this can vary from a cosy warm white to a cold white according to the colour temperature of the lamp. The following chart shows the code numbers used for some of the most popular types:-

Colour Temp °K

Colour Code

Designation

Application

2700

827

Very Warm White

 

Similar light to normal incandescent bulbs, giving a warm cosy feel.

3000

830

Warm White

The colour of most halogen lamps. Appears slightly whiter than ordinary incandescent lamps.

3500

835

White

The standard colour for many fluorescent and compact fluorescent lamps.

4000

840

Cool White

Gives a cooler, more clinical feel.

6000

860

Daylight

Fluorescent or compact fluorescent lamps simulating natural daylight.

6500

865

Cool Daylight

Extremely white light used in specialist daylight lamps.

colour chart