create an ultra photorealistic 8k architectural render with corona renderer quality cabinet color modification lower cabinets maintain the original deep navy blue ncs s 6020 r80b upper cabinets apply the same navy blue hue but make it exactly 20 lighter than the lower cabinets preserve the same blue undertone and color saturation do not shift the color toward purple grey or green maintain a premium matte painted mdf finish strict design preservation do not change anything else in the scene preserve all geometry materials handles lighting camera angle exposure and overall atmosphere enhance only photorealism natural shadows and realistic material reflections final result deep navy blue lower cabinets with upper cabinets 20 lighter creating a subtle and elegant two tone combination without any other modifications