Ammonite vs Byte Blue
Where Ammonite belongs to Farrow & Ball's range, Byte Blue is a Sherwin-Williams color. Ammonite reads as beige-greige, while Byte Blue reads as blue — two distinct hue families, not close cousins. They have nearly identical light reflectance values (69 vs 68), so they'll read as similarly Light in most lighting conditions. Ammonite runs warm while Byte Blue is decidedly cool, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 11.9, 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 Byte Blue in Real Spaces
1 real room side by side. Seeing Ammonite and Byte Blue 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 Byte Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Ammonite on one side and Byte Blue 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.
