Black grey vs Nautilus
Black grey (RAL Classic) and Nautilus (Sherwin-Williams) come from different manufacturers. Hue-wise, Black grey belongs to the blue-grey family and Nautilus to the blue family. The 35-point LRV gap — 42 for Nautilus vs 6 for Black grey — means Nautilus will open up a space more effectively. A ΔE of 54.7 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Black grey vs Nautilus Simulated Comparison
5 simulated room previews — drag the slider on each to see Black grey on one side and Nautilus 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.








































