Well, Saudi Arabia is the reference for almost more than 80% of Islamic population and the green color was the color of early Muslims therefore, the green was chosen to be the dominant color in the flag
pakistan, bulgaria, bangladesh, brazil, vanuatu, nigeria, guyuna, :)
Kingdom of Saudi Arabia Green Party.
Saudi Arabia
JUSTICES
http://en.wikipedia.org/wiki/Flag_of_Saudi_Arabia
Saudi Arabia
1904
Saudi Arabia......playing stc trivia game...ha ha ha
Libiya. Because apparently that was Gaddafi's favorite colour was green. But now they seem to have adopted the old flag, which has a design on it, although supporters of Gaddafi still use the plain green flag.
"La Ilaha Ilal Allah" Meaning there is no God but Allah since Saudi Arabia is a Muslim county.
It's a green background - with a white design consisting of Arabic text above a horizontal sword. See related link.
Probably Saudi Arabia's or the Vatican's