You are in a green state (like I am). So I would probably go with some combo or form of green (unless you live in the city and want to blend in that environment).
C4
One of the expert training dudes (forget which one) stated that most animals are brown of some type and blend in well in almost all backgrounds. I find this to be very true. I've seen a deer standing in dense green leaves all but disappear and only able to pick it out when it moved. I think this is because the brown resembles the shadow areas. whatever, it's effective...
I was looking at either Sniper Gray or Chocolate Brown actually. I like the darker shade in the chocolate. I live in a smallish town about 45 minutes north of Philly. It's somewhat densely populated (about 1,500 per square mile) but there's still quite a bit of nature around here (all in all, it's a nice place). So I'm leaning towards the dark brown, as it could appear grey or black in some lighting and backgrounds, but also brown in nature...at least that's my theory.
RE: "45 minutes north of Philly" -- I've been to Bethlehem, PA, a few times--I love that area (wife's from Scranton).
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I've liked gray since seeing the JACK, but I think my local place--Joint Force Enterprise--while awesome, is definitely out of my price range. I can't find an official price list, but someone mentioned like $200-300 to coat an AR (maybe this is hydro-dipping and other services are cheaper). Still, they do amazing work. I've rattle-canned stuff in the past, but I do think the professional coat jobs look way better.
FWIW, I recall reading an article a few years ago stating that the USN had studied camouflage weapons and concluded that grey performed best in all settings, from hard urban to lush foliage.
Who sells that B5 grip???
Yeah... sometimes theory doesn't match up with reality. I like the look of the BCM Jack, but I'm a bit skeptical of the "gray blends in with every environment" claim that Travis makes in the video for it. I'd like to see it in some different environments to see how well that holds up in real life.