Ammonite vs Mariner
Where Ammonite belongs to Farrow & Ball's range, Mariner is a Sherwin-Williams color. Hue-wise, Ammonite belongs to the beige-greige family and Mariner to the blue family. Ammonite (LRV 69) reflects noticeably more light than Mariner (LRV 46), a difference of 23 points that becomes especially apparent in rooms with limited natural light. Ammonite runs warm while Mariner is decidedly cool, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 31.5, 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 Mariner in Real Spaces
1 real room side by side. Seeing Ammonite and Mariner in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. Ammonite reflects noticeably more light off the walls, making the space read more open than Mariner.
Color Details
Ammonite vs Mariner Simulated Comparison
5 simulated room previews — drag the slider on each to see Ammonite on one side and Mariner 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.










































