This is an emacs color theme that I've been toting around in my
.emacs for nearly two decades now, dating back to before Emacs even
had a color theme package. I eventually updated it to work with
color-theme, then deftheme, and finally split it out on its own to be a sharable
package.
If you've configured Emacs 24's package.el package manager to load
from the MELPA package archive, it can be
installed simply thus:
M-x package-install RET autumn-light-theme RET
Alternatively, To use it, download autumn-light-theme.el to a directory in your load-path, then put the following in your Emacs configuration file:
(load-theme 'autumn-light t)