Green symbolizes nature and is the easiest colour on the eye, being a calming, refreshing color. Brides in the middle ages wore green to symbolize fertility. Dark green is masculine, conservative, and implies wealth.
China: Disloyalty of a wife to her husband, exorcism
br> India: Islam
br> Ireland: National colour
br> Western: Spring, new birth, Saint Patrick's Day, Christmas (with red)