A cli tool for changing xfce4 theme and terminal color theme
$./xfce-dayligth-switcher
Add it to a launcher with the panel app in settings
$ terminal-color-theme -l
black-on-white
dark-pastels
green-on-black
solarized-dark
solarized-light
tango
white-on-black
xterm
$ terminal-color-theme solarized-dark
Needs re-login to bash.
sudo cp ./bash_completion /usr/share/bash-completion/completions/terminal-color-theme
sudo cp ./bash_completion /etc/bash_completion.d/terminal-color-theme