First you install the The Eclipse Color Theme Plugin provided by http://eclipsecolorthemes.org/
To install the plugin, go to Help→Install New Software..., press Add Site and enter Eclipse Color Theme as the name and http://eclipse-color-theme.github.com/ update as the URL. Then select the new entry from the select box labeled Work with, mark Eclipse Color Theme for installation and proceed.
After installation restart eclipse. Then go to Window→Preferences→General→Appereance→Color Theme to change the color theme.
