Websites to download color themes
How to import code color themes
File- > Import - General select preference under
How to restore the default color theme
In Windows-> Preference, select general->appearance, and then click Restore Default .
Automate theme management with plugins
http://www.eclipsecolorthemes.org/?view=plugin
Help→Install New Software... , click Add , then fill in Eclipse Color Theme as the name and http://eclipse-color-theme.github.com/update as the address. As follows
After installation is as follows , you can choose any theme , and support to restore the default