Related: The 6 Best Caulk Guns Our Editors Recommend Choose Gray or Brown Caulk to Hide Grime "Darker caulk colors, such as gray and brown, are better at hiding grime and mold," Garvey says.

Choose Gray Caulk for Cool Tones "Cool-toned tiles, such as gray, blue, or green, look best with light or medium gray caulk," Garvey says.

A caulk expert shares their best gunk-hiding color picks that work with warm, cool, and multi-colored surfaces. 4 Best Caulk Colors for Hiding Grime, Dirt, and Mold Skip to main content ...