
| Source: Artificial Light | Kelvins |
|
Domestic electric light bulb |
2900 |
|
Photographic incandescent bulb |
3200 |
|
Tungsten halogen bulb |
3200 |
|
Photoflood |
3400 |
|
3200° bulb with 1/8 blue filter |
3400 |
|
3200° bulb with ¼ blue filter |
3600 |
|
3200° bulb with ½ blue filter |
4100 |
|
3200° bulb with full blue filter |
5550 |
|
1 volt drop in power supply to lamp, each |
-10 |
| Source: Daylight | Kelvins |
|
Dawn or dusk |
2000 |
|
One hour after sunrise |
3500 |
|
Early AM and late PM sunlight |
4500 |
|
Summer sunlight |
5500 |
|
Sunlight blue-white sky |
6500 |
|
Light summer shade |
7000 |
|
Overcast skylight |
7000 |
|
Average summer shade |
8000 |
|
Hazy sunlight |
9000 |
|
Summer sky |
<30,000 |