Iron Gate vs Nocturnal Green
Iron Gate (Sherwin-Williams) and Nocturnal Green (Valspar) come from different manufacturers. Hue-wise, Iron Gate belongs to the beige-greige family and Nocturnal Green to the blue-green family. Their light reflectance values are nearly the same — 4 vs 3 — so neither will read significantly brighter or darker than the other. A ΔE of 11.1 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 Gate vs Nocturnal Green Simulated Comparison
5 simulated room previews — drag the slider on each to see Iron Gate on one side and Nocturnal Green 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 Gate comparisons
See how Iron Gate stacks up against other well-photographed colors across different brands and tones.








































