What color or combination of AmeriColor icing colors would you use to get the shade of green in the Mad Hatter's Hat (the Disney animated version)? And I'm referring to the hat, not the band around the hat.  Thank you in advance for any help!

Try leaf green with a dot of black keep adding a dot of black until you reach that shade 

Or Wilton has a color called "moss green" 

Hope I was able to help!!