Choose color theme interactively: M-x customize-themes, or M-x color-theme-select (use key "q" to quit);
Theme "manoj-dark" is a good dark theme;
Customize default color theme: add "(load-theme ‘manoj-dark t)" in ~/.emacs;
Color Theme of Emacs,布布扣,bubuko.com
原文：http://www.cnblogs.com/darkmatter/p/3605693.html