Sea Urchin 1 vs Iron Ore
Sea Urchin 1 (Dulux) and Iron Ore (Sherwin-Williams) come from different manufacturers. Sea Urchin 1 reads as blue, while Iron Ore reads as grey — two distinct hue families, not close cousins. The 13-point LRV gap — 19 for Sea Urchin 1 vs 6 for Iron Ore — means Sea Urchin 1 will open up a space more effectively. Where Sea Urchin 1 leans cool, Iron Ore reads neutral — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 25.5 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 1 vs Iron Ore Simulated Comparison
5 simulated room previews — drag the slider on each to see Sea Urchin 1 on one side and Iron Ore 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.
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