OK, Its possible an old dog can learn a new trick. I can't speak for other parts of the country but here in Michigan deer seem look up at the tree line before they look into the bushes on the ground (it wasn't always that way but that's a topic for another thread). I have been unequivocally busted several times over the last two years especially in the later season when the tree cover gets sparse. By busted, I mean even though I wasn't moving they obviously picked me in the tree and recognized me as a threat and vacated the area.
This year I started wearing my much lighter colored wool camo as an external layer as opposed to my previous practice of wearing my normal darker mossy oak over it. This year, while I was still noticed, there deer just gave me a passing glance and after a cursory look they passed me off as no threat.
I don't know if its because the lighter color doesn't stand out as much as the darker camo when skylined or if they are now conditioned to the threat of "Dark blobs in trees" since most everyone is using darker camo. Regardless, the lighter base camo definitely made a difference this year.
It's all quick dry warm weather stuff so maybe not for u but the south Florida guys, swamp n stomp, sell a "high pines" camo. It's made to blend u into the sky more than bushes.....there's even a saddle made with it....Might be worth checking if u worried about that kinda stuff...could go over top ur warm weather stuff