Steel Symphony 5 vs Ammonite
Where Steel Symphony 5 belongs to Dulux's range, Ammonite is a Farrow & Ball color. Steel Symphony 5 reads as blue-grey, while Ammonite reads as beige-greige — two distinct hue families, not close cousins. Ammonite (LRV 69) reflects noticeably more light than Steel Symphony 5 (LRV 63), a difference of 6 points that becomes especially apparent in rooms with limited natural light. Steel Symphony 5 runs cool while Ammonite is decidedly warm, which means they'll respond very differently to warm vs cool light sources. The ΔE 9.2 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Steel Symphony 5 vs Ammonite in Real Spaces
1 real room side by side. Steel Symphony 5 and Ammonite are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Living Room
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The brightness difference is modest but present — Ammonite gives the walls a little more lift.
Color Details
Steel Symphony 5 vs Ammonite Simulated Comparison
5 simulated room previews — drag the slider on each to see Steel Symphony 5 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 5 comparisons
See how Steel Symphony 5 stacks up against other well-photographed colors across different brands and tones.










































