This is hard to come by so it is worth the share. I have been to every Home Depot and Amazon and tests many different colors of “Camouflage” spray paint.
This is the correct Green base of anything you are printing looking for a good Olive Drab background.
I can’t find single cans.. and I can’t find it anywhere else. This guy has cornered the market.
This is what I use on all of my Artillery Shell prints.