% magick

# Simple text on a background
magick -font <font-list> -background <background-colour> -fill <foreground-colour> -pointsize <fontsize> label:'<text>' <file-name>

# Simple black text on a transparent background
magick -font <font-list> -background transparent -fill white -pointsize <fontsize> label:'<text>' <file-name>

# list fonts
magick -list font | less

$ font-list: magick -list font | sed -n 's/\W*Font: //p'
$ background-colour: magick -list color | awk '{print$1}' | grep -v 'gray\|grey' | tail -n +6
$ foreground-colour: magick -list color | awk '{print$1}' | grep -v 'gray\|grey' | tail -n +6