Mixing metals is completely acceptable in interior design—and matching metals is, too. It’s really up to you to decide whether your bathroom faucets and your bathroom light fixtures should match. Streamlining your hardware can leave you with a bathroom that feels clean, but bold. (The more you use the same color, the more of a statement that color can make.) But pairing different metals can be a great way to add contrast and texture to your space. So think about the look you’d prefer for your bathroom, and mix or match your hardware based on that.