London Fog vs Black grey
London Fog (Benjamin Moore) and Black grey (RAL Classic) come from different manufacturers. London Fog reads as greige-grey, while Black grey reads as blue-grey — two distinct hue families, not close cousins. The 50-point LRV gap — 56 for London Fog vs 6 for Black grey — means London Fog will open up a space more effectively. A ΔE of 60.3 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
London Fog vs Black grey in Real Spaces
1 real room side by side. Seeing London Fog and Black grey in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
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. London Fog returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
London Fog vs Black grey Simulated Comparison
5 simulated room previews — drag the slider on each to see London Fog on one side and Black grey 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 London Fog comparisons
See how London Fog stacks up against other well-photographed colors across different brands and tones.
