There has been quite a few green hued stam colors released.
Green quilted stams were released in Spring 07.
Lt petrol patchwork stams, teal quilted stams and green elastic quilted stams were released in Fall 07.
Attached in the following order are baby stam in green, lt petrol patchwork stam, elastic quilted green stam and teal quilted baby stam.
You should find out what the exact quilting style is to determine the color. HTH!