If you want paper that’s one color on one side and another color on the reverse, the simplest thing to do is to start with white paper and print a different ink on each side. We’ve done that, it’s simple, it works well. But we’re Field Notes; if there’s a more difficult, expensive, and awesome way to achieve the same result, we will find it. In this case, it’s called duplexing. Using brute force and adhesives, you take two different colored papers and fuse them together so that they become one.