Daj, checking you'r gif i've tryed to fix the grey scale legs color, simply copy-pasting a piece of shoulder. It's a fast and not refined try, but it could be the way to give the right orange color to the legs, without redraw everything (it's a pain redraw a walking bear!)
Forget the black borderline, it was an experiment, don't look at it. XD Just look the legs color.

The copy-paste of a little square isn't well hidden, i didnt care to work on it too much, but it seems to work good enough. If you'll want to fix the color change, this could be a fast trick.
..i hope so, at last. XD