color temperature
| temp. | description |
|---|---|
| 1700 K | match flame |
| 1850 K | sunset / sunrise |
| 2300 K | dim incandescent |
| 2700 K | thungsten |
| 3400 K | halogen |
| 4200 K | fluorescent |
| 5000 K | sunlight |
f.lux - Better lighting for your computer
- default nighttime color temperature: 3400 K - halogen