Mac Dark/Light Changers in Terminal

modes.sh

alias light="osascript -e'tell application \"System Events\"' -e 'set dark mode of appearance preferences to false' -e 'end tell'"
alias dark="osascript -e'tell application \"System Events\"' -e 'set dark mode of appearance preferences to true' -e 'end tell'"

Copy them to your bash profile / fish config / whatever and have the dark / light commands in the terminal