Ammonite vs Forever Lilac
Ammonite (Farrow & Ball) and Forever Lilac (Sherwin-Williams) come from different manufacturers. Hue-wise, Ammonite belongs to the beige-greige family and Forever Lilac to the blue-purple family. The 29-point LRV gap — 69 for Ammonite vs 40 for Forever Lilac — means Ammonite will open up a space more effectively. Where Ammonite leans warm, Forever Lilac reads cool — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 28.9 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Ammonite vs Forever Lilac in Real Spaces
1 real room side by side. Seeing Ammonite and Forever Lilac in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bedroom
Bedrooms are typically lit with warmer, lower light than the rest of the house — a condition that flatters warm tones and deepens cool ones. 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 Forever Lilac Simulated Comparison
5 simulated room previews — drag the slider on each to see Ammonite on one side and Forever 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.










































