Residential Lighting
A Choice of Atmosphere
The color temperature of a bulb is measured in kelvins (K). The lower the number of kelvins, the yellower the light. The higher the number, the bluer the light.
Cool lighting (functional)
13 W - 850 lm - 4,100 K
Whiter light with bluish tint
If you prefer functional lighting, choose cool white. Many people find it suitable for the kitchen, reading area, workshop or basement, for instance.
Warm lighting
13 W - 850 lm - 2,700 K
Yellower light, similar to incandescent
To reproduce the atmosphere of incandescent lighting, choose soft or warm white.
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"Daylight" compact fluorescent (white, with bluish tint): 6,500 K
Incandescent: 2,700 K
"Soft white" compact fluorescent: 2,700 K
| Description | Colour temperature (K) |
| Warm or soft white | 2,700 - 3,000 |
| Cool white, daylight | 4,100 - 6,500 |