change only the color of the shelter s ceiling underside in the architectural visualization do not alter the cornice r mse or any other elements roof columns windows shadows lighting textures must remain exactly as in the original image with no changes in color brightness or tone adjust the ceiling color so it visually matches the cornice color without modifying the cornice itself ensure seamless photorealistic blending of the ceiling keeping materials and shading consistent the final image should look natural cohesive and professional with no visible edits outside the ceiling
