One of the best slatwall color that people choose is the knotty pine slatwall. This kind of slatwall is very natural and it is good for most kind of wall and interior designs and color. Not only that it is used to put some products to sell, but it is also used by many people to help them hang a lot of other things like pictures, painting, or even to hang your kitchen equipments like spatula or some other kitchen stuffs. It can even be modified into a rack to or shelve since the grooves can be inserted with other panels to make a shelf to put some room decoration. Ideas & Inspirations.