 
 <prompt> Wetin be di design element wey fit dey inside one room for functional purposes but e fit also add to di lighting design? Based on di question wey dey before dis one, write one context wey get di answer. E fit be 1 - 20 sentences. Context: <response>: In some design instances, materials wey dem use for walls and furniture dey play important role for di lighting effect. For example, dark paint dey absorb light, wey fit make di room look smaller and dim pass wetin e be, but light paint dey do di opposite. Apart from paint, surfaces wey dey reflect light also dey affect lighting design. 