no you can't paint it black. i like a red door!
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/56719340@N00">Lake Lou</a> from Lowell, US
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/lakelou/6307994942/">Paris October 2011</a>