Constructed Steel vs Ammonite
Constructed Steel (Dulux) and Ammonite (Farrow & Ball) come from different manufacturers. Hue-wise, Constructed Steel belongs to the grey family and Ammonite to the beige-greige family. The 32-point LRV gap — 69 for Ammonite vs 36 for Constructed Steel — means Ammonite will open up a space more effectively. Where Constructed Steel leans neutral, Ammonite reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 20.0 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
Constructed Steel vs Ammonite Simulated Comparison
5 simulated room previews — drag the slider on each to see Constructed Steel on one side and Ammonite 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 Constructed Steel comparisons
See how Constructed Steel stacks up against other well-photographed colors across different brands and tones.
