I made comparison pics between Green Room/Look at the Eyes with a few other shades I own.
By the way, please disregard the chipped nail polish. I hadn't noticed that until I saw it on the finished pictures.
Green Room is definitely some kind of emerald green to me.
Something like this.
Left to right without flash: Shimmermoss, Cool Heat, Gulf Stream, Green Room
Left to right with flash: Shimmermoss, Cool Heat, Gulf Stream, Green Room
Left to right without flash: Look at the Eyes, Beautiful Iris, Crystal, Seedy Pearl
Left to right without flash: Dovefeather, Look at the Eyes, Beautiful Iris, Crystal, Seedy Pearl
Left to right with flash: Dovefeather, Look at the Eyes, Beatiful Iris, Crystal, Seedy Pearl