I would imagine that floating in the vacuum of space would affect things - who knows.

On earth apparently the color is green, at least according to:

http://library.thinkquest.org/04oct/00206/text_ta_time_since_death.htm  

Unfortunately now, thanks to google, I'll probably never be able to get the thought of the "song" by the "band" annibal Corpseout of my mind. 

"Democracy is a pathetic belief in the collective wisdom of individual ignorance." - H. L. Mencken