Merge pull request #150 from ninrod/master

closes #149

colors/gruvbox.vim

@@ -18,7 +18,7 @@ endif
 
 let g:colors_name='gruvbox'
 
-if !has('gui_running') && &t_Co != 256
+if !(has('termguicolors') && &termguicolors) && !has('gui_running') && &t_Co != 256
   finish
 endif