Mill Springs Blue vs Sea Urchin 2
Mill Springs Blue (Benjamin Moore) and Sea Urchin 2 (Dulux) come from different manufacturers. Mill Springs Blue reads as blue, while Sea Urchin 2 reads as blue-grey — two distinct hue families, not close cousins. The 6-point LRV gap — 34 for Mill Springs Blue vs 28 for Sea Urchin 2 — means Mill Springs Blue will open up a space more effectively. Where Mill Springs Blue leans green and blue, Sea Urchin 2 reads cool — a distinction that shifts noticeably depending on the light source and surrounding finishes. ΔE 5.8 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Mill Springs Blue vs Sea Urchin 2 Simulated Comparison
5 simulated room previews — drag the slider on each to see Mill Springs Blue on one side and Sea Urchin 2 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 Mill Springs Blue comparisons
See how Mill Springs Blue stacks up against other well-photographed colors across different brands and tones.
