never had any problems finding black. Stick them on a tree and paint them to match the tree, ya got all summer to play around.
Your the first person I've ever seen even mention additions straps. Ya got your head on right. Your stands aren't going any where. It's a pure delight to sit in a stand that's been tightened up. Just the peace of mind knowing that the manufactures straps can go to crap and they do, won't bother you, got at least 2 more on as a back up. The tree will fall down first.