Sea Urchin 2 vs Black grey
Sea Urchin 2 (Dulux) and Black grey (RAL Classic) come from different manufacturers. Both sit in the blue-grey family, which is useful context if you're narrowing within a single hue direction. The 22-point LRV gap — 28 for Sea Urchin 2 vs 6 for Black grey — means Sea Urchin 2 will open up a space more effectively. A ΔE of 39.8 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
Sea Urchin 2 vs Black grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Sea Urchin 2 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 Sea Urchin 2 comparisons
See how Sea Urchin 2 stacks up against other well-photographed colors across different brands and tones.
