Ammonite vs Radiant Lilac
Where Ammonite belongs to Farrow & Ball's range, Radiant Lilac is a Sherwin-Williams color. Ammonite reads as beige-greige, while Radiant Lilac reads as grey — two distinct hue families, not close cousins. Ammonite (LRV 69) reflects noticeably more light than Radiant Lilac (LRV 28), a difference of 41 points that becomes especially apparent in rooms with limited natural light. Ammonite runs warm while Radiant Lilac is decidedly cool, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 32.8, 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 Radiant Lilac in Real Spaces
1 real room side by side. Seeing Ammonite and Radiant Lilac 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 Radiant Lilac would.
Color Details
Ammonite vs Radiant Lilac Simulated Comparison
5 simulated room previews — drag the slider on each to see Ammonite on one side and Radiant Lilac 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.
