shiki-colors : Shiki-Colors mixes the elegance of dark themes with the usability of a light one ( https://code.google.com/p/gnome-colors/ )
shiki-colors-revival : Shiki-Colors-Revival is a GTK+3 recreation of Shiki-Colors ( https://github.com/somasis/shiki-colors-revival/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a np-hardass-overlay
For Paludis use this rsync : rsync://gentoo.zugaina.org/np-hardass-overlay-portage
If you have a problem : ycarus(-at-)zugaina.org