Color of games

I noticed on the My Games page that each game is a different shade of gray...why? They seem to alternate for the most part but not all of them.
Conquer Club, a free online multiplayer variation of a popular world domination board game.
http://www.tools.conquerclub.com/forum/
http://www.tools.conquerclub.com/forum/viewtopic.php?f=6&t=25126
AndyDufresne wrote:The alternating shades are just there to help your eye distinguish where one ends and another starts.
--Andy
DiM wrote:AndyDufresne wrote:The alternating shades are just there to help your eye distinguish where one ends and another starts.
--Andy
yes but instead of alternating the shades are sometimes the same:
like here:
look at games 659012 and 677069