Steel Symphony 3 vs Ammonite
Steel Symphony 3 (Dulux) and Ammonite (Farrow & Ball) come from different manufacturers. Hue-wise, Steel Symphony 3 belongs to the blue-grey family and Ammonite to the beige-greige family. The 34-point LRV gap — 69 for Ammonite vs 35 for Steel Symphony 3 — means Ammonite will open up a space more effectively. Where Steel Symphony 3 leans cool, Ammonite reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 25.0 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
Steel Symphony 3 vs Ammonite Simulated Comparison
5 simulated room previews — drag the slider on each to see Steel Symphony 3 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 Steel Symphony 3 comparisons
See how Steel Symphony 3 stacks up against other well-photographed colors across different brands and tones.








































