Ammonite vs Portico
Where Ammonite belongs to Farrow & Ball's range, Portico is a Sherwin-Williams color. Both sit in the beige-greige family, which is useful context if you're narrowing within a single hue direction. Ammonite (LRV 69) reflects noticeably more light than Portico (LRV 42), a difference of 27 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 17.9, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Ammonite vs Portico in Real Spaces
1 real room side by side. Seeing Ammonite and Portico in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Color Details
Ammonite vs Portico Simulated Comparison
5 simulated room previews — drag the slider on each to see Ammonite on one side and Portico 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.










































