A refrigerator includes a cabinet with a plurality of walls and a compartment area for storing food within the cabinet. A door is configured to seal the compartment area. A refrigeration component is disposed within the cabinet. A wall panel is positioned within the cabinet and includes a three-dimensional molded surface with non-uniformly spaced peaks and valleys and a lighting structure. The wall panel extends from a lower end of the compartment area to an upper end of the compartment area. The wall panel separates the compartment area from the refrigeration component and is coextensive with one of the plurality of walls of the cabinet.