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xsct - X11 set screen color temperature

NAME  SYNOPSIS  DESCRIPTION  OPTIONS  AUTHOR  SEE ALSO 

NAME

xsct − X11 set screen color temperature

SYNOPSIS

xsct [options] [temperature] [brightness]

DESCRIPTION

xsct sets the screen’s color temperature.

OPTIONS

-h, --help

Display usage information and exit

-v, --verbose

Display debugging information

-d, --delta

Shift temperature and brightness by temperature and brightness value

-s, --screen N

Zero-based index of screen to use.

-t, --toggle

Toggle between night and day temperature.

-c, --crtc N

Zero-based index of CRTC to use.

[temperature]

Black body temperature
If the value is 0, xsct sets the color temperature to the default of 6500
If no arguments are passed, xsct estimates the current display temperature and brightness

[brightness]

Linear brightness between 0.0 (inclusive) and 1.0 (inclusive). The default value is 1.0 if no parameter is passed.

AUTHOR

xsct is based on sct by Ted Unangst <[email protected]>

SEE ALSO

redshift(1), xtemp(1)


Updated 2026-06-01 - jenkler.se | uex.se