Powell Gray vs Ammonite
Where Powell Gray belongs to Benjamin Moore's range, Ammonite is a Farrow & Ball color. Powell Gray 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 Powell Gray (LRV 15), a difference of 54 points that becomes especially apparent in rooms with limited natural light. Powell Gray runs blue while Ammonite is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 45.7, 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
Powell Gray vs Ammonite Simulated Comparison
5 simulated room previews — drag the slider on each to see Powell Gray 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 Powell Gray comparisons
See how Powell Gray stacks up against other well-photographed colors across different brands and tones.
