Sea Urchin 2 vs Agreeable Gray
Sea Urchin 2 (Dulux) and Agreeable Gray (Sherwin-Williams) come from different manufacturers. Sea Urchin 2 reads as blue-grey, while Agreeable Gray reads as greige-grey — two distinct hue families, not close cousins. The 32-point LRV gap — 60 for Agreeable Gray vs 28 for Sea Urchin 2 — means Agreeable Gray will open up a space more effectively. Where Sea Urchin 2 leans cool, Agreeable Gray reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 27.2 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 Agreeable Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Sea Urchin 2 on one side and Agreeable Gray 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.








































