Ammonite vs S 4010-G10Y
Where Ammonite belongs to Farrow & Ball's range, S 4010-G10Y is a NCS color. Ammonite reads as beige-greige, while S 4010-G10Y reads as green-grey — two distinct hue families, not close cousins. Ammonite (LRV 69) reflects noticeably more light than S 4010-G10Y (LRV 28), a difference of 41 points that becomes especially apparent in rooms with limited natural light. Ammonite runs warm while S 4010-G10Y is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 28.1, 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 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Ammonite vs S 4010-G10Y in Real Spaces
2 real rooms side by side. Seeing Ammonite and S 4010-G10Y in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The LRV gap is large enough that Ammonite will make the room feel meaningfully brighter than S 4010-G10Y would.
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 S 4010-G10Y.
Color Details
Ammonite vs S 4010-G10Y Simulated Comparison
5 simulated room previews — drag the slider on each to see Ammonite on one side and S 4010-G10Y 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.
