> I always just assume the brand will have the color I want in their collection of swatches. The problem comes when you need to do a patch job on the drywall f

> I always just assume the brand will have the color I want in their collection of swatches. The problem comes when you need to do a patch job on the drywall for whatever reason (lost cat in the walls, wiring problem, whatever), and when it comes time to repaint not being able to match the exact color gets you a square that's a slightly different color than the rest of the wall.