Fort Sumner Tan vs Ammonite
Where Fort Sumner Tan belongs to Benjamin Moore's range, Ammonite is a Farrow & Ball color. Hue-wise, Fort Sumner Tan belongs to the beige family and Ammonite to the beige-greige family. Ammonite (LRV 69) reflects noticeably more light than Fort Sumner Tan (LRV 19), a difference of 50 points that becomes especially apparent in rooms with limited natural light. Both lean warm, so they'll behave similarly in mixed or changing light conditions. With a ΔE of 44.2, 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
Fort Sumner Tan vs Ammonite Simulated Comparison
5 simulated room previews — drag the slider on each to see Fort Sumner Tan 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 Fort Sumner Tan comparisons
See how Fort Sumner Tan stacks up against other well-photographed colors across different brands and tones.
