Ammonite vs Rookwood Medium Brown
Where Ammonite belongs to Farrow & Ball's range, Rookwood Medium Brown is a Sherwin-Williams color. These are both beige-greiges, so the question isn't which hue to choose — it's where within beige-greige to land. Ammonite (LRV 69) reflects noticeably more light than Rookwood Medium Brown (LRV 10), a difference of 59 points that becomes especially apparent in rooms with limited natural light. Both lean warm, so they'll behave similarly in mixed or changing light conditions. With a ΔE of 50.9, 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 Rookwood Medium Brown in Real Spaces
1 real room side by side. Seeing Ammonite and Rookwood Medium Brown in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Kitchen
In a kitchen, colors are seen under bright task lighting that amplifies undertones — what reads neutral elsewhere can show its hand here. Ammonite reflects noticeably more light off the walls, making the space read more open than Rookwood Medium Brown.
Color Details
Ammonite vs Rookwood Medium Brown Simulated Comparison
5 simulated room previews — drag the slider on each to see Ammonite on one side and Rookwood Medium Brown 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.










































