Ammonite vs St. Bart's
Where Ammonite belongs to Farrow & Ball's range, St. Bart's is a Sherwin-Williams color. Ammonite reads as beige-greige, while St. Bart's reads as blue — two distinct hue families, not close cousins. Ammonite (LRV 69) reflects noticeably more light than St. Bart's (LRV 18), a difference of 51 points that becomes especially apparent in rooms with limited natural light. Ammonite runs warm while St. Bart's is decidedly cool, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 41.2, 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 St. Bart's in Real Spaces
2 real rooms side by side. Seeing Ammonite and St. Bart's in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Dining Room
A dining room lit by a dimmed pendant or candles is one of the most forgiving environments for paint — warm light softens almost everything. Ammonite returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
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 St. Bart's.
Color Details
Ammonite vs St. Bart's Simulated Comparison
5 simulated room previews — drag the slider on each to see Ammonite on one side and St. Bart's 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.
