London Fog vs Ammonite
Where London Fog belongs to Benjamin Moore's range, Ammonite is a Farrow & Ball color. London Fog reads as greige-grey, while Ammonite reads as beige-greige — two distinct hue families, not close cousins. Ammonite (LRV 69) reflects noticeably more light than London Fog (LRV 56), a difference of 12 points that becomes especially apparent in rooms with limited natural light. London Fog runs red while Ammonite is decidedly warm, which means they'll respond very differently to warm vs cool light sources. The ΔE 6.1 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
London Fog vs Ammonite in Real Spaces
2 real rooms side by side. London Fog and Ammonite are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
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 London Fog.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Ammonite reflects noticeably more light off the walls, making the space read more open than London Fog.
Color Details
London Fog vs Ammonite Simulated Comparison
5 simulated room previews — drag the slider on each to see London Fog 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 London Fog comparisons
See how London Fog stacks up against other well-photographed colors across different brands and tones.
