Most likely the color would be green zinc-chromate. I have the color available in small 1/4 pint sizes, and it is FUEL PROOF, as is all of WarbirdColors. You can find it on the USA page of
http://www.warbirdcolors.com Click on the stars & bars emblem on the main page to get to the USA page, then follow the "color palete (purchase)" menu option to display or purchase from the palete.