Naturally, the look hasn’t met some fans’ expectations, and they’re flocking to social media to invite others to drink an ice-cold glass of piss-flavored Haterade.
I don't really see the problem, that might be his every day clothes and he gains a green suit when going full Green Lantern. Given how accurate the other costumes are, I can't see Gunn dropping the ball with Gardener. It is odd that his hair doesn't look ginger. Something that can be fixed in post but I can't see why you'd need to when there's hair dye and wigs.