Clean the surface, remove dirt and other foreign matter, and allow the area to dry thoroughly.

Prep the wall surface. Before patching up the paint job, you want the wall surface to be as smooth and blemish-free as possible to help the paint blend.

Stir and then mix the paint to homogenize the pigment throughout the paint.

Apply the Paint

Load your brush or roller with just enough paint to cover the touch-up area. The best touch-up paintbrush or paint roller is just large enough for the job to avoid spreading paint too far into unaffected areas

If you're just covering a small missing piece or a scratch, using an artist's brush may be the best bet because you can just fill in the missing paint to make it less noticeable. Avoid spreading paint too far into unaffected areas

Start in the middle of the touch-up spot and work your way out to the edges. feather the edges by making light strokes that extend slightly past the edge onto the surrounding wall. Feathering creates a less noticeable transition between the new and old paint, which will help the touch-up spot blend into the wall.

Thinning latex paint with a small amount of water can help it blend in better. Start by applying it over the affected area, working outward, and feath