Outer Sphere vs Purbeck Stone
Outer Sphere (Benjamin Moore) and Purbeck Stone (Farrow & Ball) come from different manufacturers. Hue-wise, Outer Sphere belongs to the green family and Purbeck Stone to the greige-grey family. The 22-point LRV gap — 74 for Outer Sphere vs 52 for Purbeck Stone — means Outer Sphere will open up a space more effectively. Where Outer Sphere leans green, Purbeck Stone reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 18.4 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Outer Sphere vs Purbeck Stone Simulated Comparison
5 simulated room previews — drag the slider on each to see Outer Sphere on one side and Purbeck Stone 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 Outer Sphere comparisons
See how Outer Sphere stacks up against other well-photographed colors across different brands and tones.
