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. | |
