SCT(1)

NAME
sct - set the color temperature of the screen

SYNOPSIS
sct [temp]
sct version

DESCRIPTION
sct is a lightweight utility to set the color temperature of the screen. If the optional temp argument is given, the color temperature is set to this value.

The arguments are as follows:

temp
    Optionally specify the temperature to set. Default value: 6500.

version
    Print the version and copyright information of sct to the standard output, then exit.

sct expects a temp value between 1000 and 10000.

EXIT STATUS

EXAMPLES
Run sct to shift the screen temperature to campfire style:

    $ sct 4500

Print version and copyright information of sct to the standard output stream and exit successfully:

    $ sct version

SEE ALSO
Xorg(1), xrandr(1), X(7), XStandards(7)

STANDARDS
The sct utility follows and uses the XStandards(7).

HISTORY
The first version of the sct utility appeared back in November 2015 within the following blog article: http://www.tedunangst.com/flak/post/sct-set-color-temperature.

AUTHORS
-nosplit The sct utility was written by Ted Unangst <tedu@openbsd.org> and further improved by Joerg Jung <mail@umaxx.net>.

CAVEATS
sct samples the color ramp in interval steps of 500 with temp values between steps being interpolated.

HOMEPAGE
https://www.umaxx.net/