How to Find Epoxy That Doesn't Turn Yellow If you've searched this, you've probably already seen it happen: a bright white epoxy countertop, bathtub, or craft project that looked perfect on day one and looks dingy, cream, or straight-up yellow a year or two later. It's one of the most common complaints in the epoxy world, and it's also one of the most predictable — if you know what to look for before you buy. Here's how to tell the difference between an epoxy that will yellow