73 dart paint code

Here's a link to the original 1973 PPG color code sheets Chyrsler used. Your color is the F-1 green.

http://www.tcpglobal.com/aclchip.aspx?image=1973-dodge-pg01.jpg

I had the exact same question as you a couple of months ago when my car was to be painted and the guys here pointed my to tcp's site.