I've got a coloring project running right now, too. It's kind of amazing, to me, that I get coloring work. When I was in art school, color was my big weakness. Of course, sitting next to the absurdly talented Sean Tiffany didn't help. The guy's got crazy color sense.
But, a bunch of artists I know online took me to the woodshed to teach me how to color. I was battered and bloody for a few months, but now I'm far more confident in my coloring skills right now. And, apparently I'm okay at it too, since I'm landing work as a colorist here and there.
Here's a little glimmer of the page I just finished. I won't post a larger link yet until I get an okay from the client. But this slice should be okay to share.