September Morning vs Black grey
September Morning (Behr) and Black grey (RAL Classic) come from different manufacturers. Hue-wise, September Morning belongs to the beige family and Black grey to the blue-grey family. The 77-point LRV gap — 83 for September Morning vs 6 for Black grey — means September Morning will open up a space more effectively. A ΔE of NaN 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
September Morning vs Black grey Simulated Comparison
5 simulated room previews — drag the slider on each to see September Morning 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 September Morning comparisons
See how September Morning stacks up against other well-photographed colors across different brands and tones.
