Iron Mountain vs Windmill Lane
Iron Mountain (Benjamin Moore) and Windmill Lane (Little Greene) come from different manufacturers. Hue-wise, Iron Mountain belongs to the grey family and Windmill Lane to the green-grey family. The 20-point LRV gap — 31 for Windmill Lane vs 11 for Iron Mountain — means Windmill Lane will open up a space more effectively. Where Iron Mountain leans red, Windmill Lane reads green — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 28.2 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
Iron Mountain vs Windmill Lane Simulated Comparison
5 simulated room previews — drag the slider on each to see Iron Mountain on one side and Windmill Lane 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 Iron Mountain comparisons
See how Iron Mountain stacks up against other well-photographed colors across different brands and tones.








































