Mortar vs Ammonite
Where Mortar belongs to Benjamin Moore's range, Ammonite is a Farrow & Ball color. These are both beige-greiges, so the question isn't which hue to choose — it's where within beige-greige to land. Ammonite (LRV 69) reflects noticeably more light than Mortar (LRV 23), a difference of 46 points that becomes especially apparent in rooms with limited natural light. Mortar runs red while Ammonite is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 33.3, 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
Mortar vs Ammonite Simulated Comparison
5 simulated room previews — drag the slider on each to see Mortar 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 Mortar comparisons
See how Mortar stacks up against other well-photographed colors across different brands and tones.
