Ammonite vs Vast Sky
Ammonite is a Farrow & Ball color while Vast Sky comes from Sherwin-Williams. Ammonite reads as beige-greige, while Vast Sky reads as blue — two distinct hue families, not close cousins. At LRV 69 vs 55, Ammonite will read as the brighter of the two — a 14-point gap that matters most in north-facing or low-light rooms. The tonal difference — Ammonite's warm character against Vast Sky's cool — becomes most visible against white trim or in morning light. At ΔE 18.9, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Ammonite vs Vast Sky in Real Spaces
1 real room side by side. Seeing Ammonite and Vast Sky 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
Living rooms test a color across a full range of conditions — morning sun, afternoon shade, and evening lamp light all shift how both of these read. Ammonite returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Ammonite vs Vast Sky Simulated Comparison
5 simulated room previews — drag the slider on each to see Ammonite on one side and Vast Sky 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.
