There are different green colors for the FGY33 depending on the year of production:
#KR5 = Pewter Pearl Metallic Clearcoat (Greenish Gray) 1997 and up#DPO = Forest Green Pearl Clearcoat (Dark Green) 1997 and up#DT2 = Dark Green Pearl Clearcoat (Dark Green) 1999 and up
I believe yours may be #KR5.
This website should help you:
http://paintscratch.com/