Dunno, you'll have to do a test. I've used paint to color various clear epoxies. Epoxy is a finish (just ask Sitka) and I've never had to finish over. Also you could use artist's colors on what you have and finish over with a varnish containing product, have done it with Tru-Oil. Comes out a little darker if you do that. Can't tell you about durability, I'm gentle with wood that gets that much effort.
