SCT(1)

NAME
sct - screen temperature control

SYNOPSIS
sct [temperature]

DESCRIPTION
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.

EXAMPLES
Campfire:
    sct 4500

Dust storm on Mars:
    sct 2000

Coffee-free all nighter:
    sct 8000

DIAGNOSTICS

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.

SEE ALSO
redshift(1), xrandr(1)

The original blog post about sct by Ted Unangst: https://www.tedunangst.com/flak/post/sct-set-color-temperature

HISTORY
The sct utility was written by Ted Unangst <tedu@OpenBSD.org>.

AUTHORS
This manual page was written by Mateusz Piotrowski <0mp@FreeBSD.org>.