You can use any marine grade topside paint on epoxy. For the best results you need to prime the board first. You can go with a one part or two part paint. The two part is more expensive but works much better. Check out this site,
http://www.jamestowndistributors.com. They have a great variety of paints. The one part paints are quick and easy but are not as durable. There are a few brands that make good paints, Interlux and Epifanes.