.TH xsct 1 "Jan 2024" "2.2" "User Manual" .SH NAME xsct \- X11 set screen color temperature .SH SYNOPSIS .B xsct [options] .I [temperature] .I [brightness] .SH DESCRIPTION .B xsct sets the screen's color temperature. .SH OPTIONS .TP .B -h, --help Display usage information and exit .TP .B -v, --verbose Display debugging information .TP .B -d, --delta Shift temperature and brightness by temperature and brightness value .TP .B -s, --screen N Zero-based index of screen to use. .TP .B -t, --toggle Toggle between night and day temperature. .TP .B -c, --crtc N Zero-based index of CRTC to use. .TP .I [temperature] Black body temperature .br If the value is 0, xsct sets the color temperature to the default of 6500 .br If no arguments are passed, xsct estimates the current display temperature and brightness .TP .I [brightness] Linear brightness between 0.0 (inclusive) and 1.0 (inclusive). The default value is 1.0 if no parameter is passed. .SH AUTHOR xsct is based on sct by Ted Unangst .SH SEE ALSO redshift(1), xtemp(1)