Green check box.
<a href="//commons.wikimedia.org/wiki/User:Deryck_Chan" title="User:Deryck Chan">Deryck Chan</a>
This file was derived from: <a href="//commons.wikimedia.org/wiki/File:Blue_checkbox-checked.svg" title="File:Blue checkbox-checked.svg">Blue checkbox-checked.svg</a><br>