Comment 19 for bug 87966

My terminal can display 256 colors by default:

:~$ tput colors
256

In order to get vim in gnome-terminal to display colorschemes the same way as the GUI version I used the plugin CSApprox:

http://www.vim.org/scripts/script.php?script_id=2390

On how to use it and some further discussion on the topic of using 256 colors in vim cf this useful article:

http://vim.wikia.com/wiki/Using_GUI_color_settings_in_a_terminal