Black grey vs Interface Tan
Black grey (RAL Classic) and Interface Tan (Sherwin-Williams) come from different manufacturers. Hue-wise, Black grey belongs to the blue-grey family and Interface Tan to the beige-greige family. The 33-point LRV gap — 40 for Interface Tan vs 6 for Black grey — means Interface Tan will open up a space more effectively. A ΔE of 51.6 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 Interface Tan Simulated Comparison
5 simulated room previews — drag the slider on each to see Black grey on one side and Interface Tan 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.
