Ammonite vs Steel Curtain
Where Ammonite belongs to Farrow & Ball's range, Steel Curtain is a PPG color. Ammonite reads as beige-greige, while Steel Curtain reads as grey — two distinct hue families, not close cousins. Ammonite (LRV 69) reflects noticeably more light than Steel Curtain (LRV 34), a difference of 35 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 21.8, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Ammonite vs Steel Curtain Simulated Comparison
5 simulated room previews — drag the slider on each to see Ammonite on one side and Steel Curtain 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 Ammonite comparisons
See how Ammonite stacks up against other well-photographed colors across different brands and tones.








































