Purbeck Stone vs Old Mill Blue
Purbeck Stone (Farrow & Ball) and Old Mill Blue (PPG) come from different manufacturers. Hue-wise, Purbeck Stone belongs to the greige-grey family and Old Mill Blue to the blue-grey family. The 35-point LRV gap — 52 for Purbeck Stone vs 17 for Old Mill Blue — means Purbeck Stone will open up a space more effectively. A ΔE of 34.2 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
Purbeck Stone vs Old Mill Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Purbeck Stone on one side and Old Mill Blue 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.







































