I exported a Flash movie with a black background to MOV, and converted the MOV to mp4 (H.264). In Quicktime player, the background of the MOV and mp4 are black. In native players in Firefox and Chrome (desktop) and Safari and Chrome (ipad), the background of the mp4 is black. In IE11... it's dark gray.
The actual gray is rgb 16 16 16, hex #101010. Any ideas?