Redshift can adjust the color temperature of the display to match the color temperature of the sun at a given position and time.
The following video shows the change of color temperature from 4000K to 6500K and back to 4000K on a laptop LCD:
Redshift can adjust the color temperature of the display to match the color temperature of the sun at a given position and time.
The following video shows the change of color temperature from 4000K to 6500K and back to 4000K on a laptop LCD: