NYBH,
I wear Spring Green for early season now that I have the resources to do so... I do it more to hide from possible human passers-by though, as I feel the color is absolutely irrelevant for my situation: hunting 20-23 feet up in the treetops for deer (which I believe can't distinguis between the color variations of Spring Green and Fall Gray).
This was in Colorado:
Sometime in mid-to-late November, I'll start wearing more Fall Gray.
If I could choose but just one color, I'd got with Fall Gray... these days, I've got a little bit more choice.

This is but a part of my Predator collection. I've got a couple more plastic tubs full in my archery shop: