Black grey vs Cotton White
Black grey (RAL Classic) and Cotton White (Sherwin-Williams) come from different manufacturers. Hue-wise, Black grey belongs to the blue-grey family and Cotton White to the beige-white family. The 81-point LRV gap — 87 for Cotton White vs 6 for Black grey — means Cotton White will open up a space more effectively. A ΔE of 74.7 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Black grey vs Cotton White in Real Spaces
2 real rooms side by side. Seeing Black grey and Cotton White in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
House
A full exterior is the most demanding test for a paint color — scale and outdoor light both amplify differences that seem small on a swatch. Cotton White returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Kitchen Cabinets
Cabinet color is always seen in context — against countertops, backsplash, and hardware — which amplifies undertone differences that might disappear on a plain wall. Cotton White returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Black grey vs Cotton White Simulated Comparison
5 simulated room previews — drag the slider on each to see Black grey on one side and Cotton White on the other.
Digital color is approximate. These simulations are generated from the manufacturer's hex values and overlaid on grayscale room photos — your screen's calibration, brightness, and viewing angle all affect how they render. Before committing to either color, test physical samples in your own space under the light you actually live with.
More Black grey comparisons
See how Black grey stacks up against other well-photographed colors across different brands and tones.












































