Purbeck Stone vs Believable Buff
Where Purbeck Stone belongs to Farrow & Ball's range, Believable Buff is a Sherwin-Williams color. Hue-wise, Purbeck Stone belongs to the greige-grey family and Believable Buff to the beige family. Believable Buff (LRV 59) reflects noticeably more light than Purbeck Stone (LRV 52), a difference of 7 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 13.0, 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 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Purbeck Stone vs Believable Buff in Real Spaces
2 real rooms side by side. Seeing Purbeck Stone and Believable Buff 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 brightness difference is modest but present — Believable Buff gives the walls a little more lift.
Kitchen
In a kitchen, colors are seen under bright task lighting that amplifies undertones — what reads neutral elsewhere can show its hand here. Believable Buff reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Purbeck Stone vs Believable Buff Simulated Comparison
5 simulated room previews — drag the slider on each to see Purbeck Stone on one side and Believable Buff 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 Purbeck Stone comparisons
See how Purbeck Stone stacks up against other well-photographed colors across different brands and tones.
