Homemade Chalkboard Paint Paint (of any color or type) and some Non-Sanded Tile Grout. Then you will need to simply mix 1 cup of paint and 2 Tablespoons of grout. That’s it! Just make sure to stir it really well so that there are no lumps. You can use any paint. Paint for plastics or acrylic paint or house paint. You can also use any color of paint.