color-16 don't work in emacs gui.
I use this configuration:
(load-theme 'dark-laptop t)
(if (not (display-graphic-p))
(set-face-background 'default "color-16"))
But it's not a good solution. With 16 colors terminal (terminator + telnet + tmux) I have lots of Unable to load color "color-16".
Bellow screenhot of my terminal before ...