sct - screen temperature control
sct [temperature]
This utility can be used to change the screen temperature.
A valid temperature value is between 1000 and 10000. If the temperature argument is not provided or its value is invalid then the screen temperature is set to the default value of 6500.
Campfire:
sct 4500
Dust storm on Mars:
sct 2000
Coffee-free all nighter:
sct 8000
Failed to get screen resources
Usually those messages mean that
sct
cannot connect to the
X(7)
server.
Failed to open X display %s
See
Failed to get screen resources.
redshift(1), xrandr(1)
The original blog post about sct by Ted Unangst: https://www.tedunangst.com/flak/post/sct-set-color-temperature
The sct utility was written by Ted Unangst <tedu@OpenBSD.org>.
This manual page was written by Mateusz Piotrowski <0mp@FreeBSD.org>.