Purbeck Stone vs Improbable
Purbeck Stone is a Farrow & Ball color while Improbable comes from PPG. Purbeck Stone reads as greige-grey, while Improbable reads as grey — two distinct hue families, not close cousins. At LRV 52 vs 17, Purbeck Stone will read as the brighter of the two — a 35-point gap that matters most in north-facing or low-light rooms. At ΔE 30.2, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 7 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Purbeck Stone vs Improbable in Real Spaces
7 real rooms side by side. Seeing Purbeck Stone and Improbable 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
Living rooms test a color across a full range of conditions — morning sun, afternoon shade, and evening lamp light all shift how both of these read. Purbeck Stone returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The LRV gap is large enough that Purbeck Stone will make the room feel meaningfully brighter than Improbable would.
Kitchen
Kitchen lighting tends to be bright and directional, which sharpens contrast and makes undertone differences more apparent. The LRV gap is large enough that Purbeck Stone will make the room feel meaningfully brighter than Improbable would.
Dining Room
Dining room light is typically the warmest in the house, which shifts both colors toward the red end of the spectrum compared to daylight. Purbeck Stone reflects noticeably more light off the walls, making the space read more open than Improbable.
Bathroom
Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The LRV gap is large enough that Purbeck Stone will make the room feel meaningfully brighter than Improbable would.
Home Office
In a home office, wall color sits in your peripheral vision for hours at a time, so temperature and undertone matter more than you might expect. The LRV gap is large enough that Purbeck Stone will make the room feel meaningfully brighter than Improbable would.
Mudroom
A mudroom color needs to hold up under the most casual scrutiny: a glance as you're coming and going, often in mixed or artificial light. Purbeck Stone reflects noticeably more light off the walls, making the space read more open than Improbable.
Color Details
Purbeck Stone vs Improbable Simulated Comparison
5 simulated room previews — drag the slider on each to see Purbeck Stone on one side and Improbable 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.
At LRV 83 vs 52, White Dove is decisively the brighter choice.
Ammonite reflects far more light (LRV 69 vs 52), opening up a space where Purbeck Stone encloses it.
At LRV 52 vs 6, Purbeck Stone is decisively the brighter choice.
Purbeck Stone reflects far more light (LRV 52 vs 30), opening up a space where Evergreen Fog encloses it.
Their light reflectance is nearly identical (LRV 52 vs 52), so neither reads brighter in a room.
Agreeable Gray reads slightly lighter (LRV 60 vs 52), a gap that shows most in low-lit rooms.
A 6-point LRV gap (58 vs 52) makes Accessible Beige the marginally brighter of the two.
At LRV 52 vs 27, Purbeck Stone is decisively the brighter choice.
Purbeck Stone reads slightly lighter (LRV 52 vs 43), a gap that shows most in low-lit rooms.
Purbeck Stone reflects far more light (LRV 52 vs 4), opening up a space where Naval encloses it.
A 3-point LRV gap (55 vs 52) makes Tranquil Dawn the marginally brighter of the two.
At LRV 52 vs 13, Purbeck Stone is decisively the brighter choice.
A 8-point LRV gap (52 vs 44) makes Purbeck Stone the marginally brighter of the two.
Pure White reflects far more light (LRV 84 vs 52), opening up a space where Purbeck Stone encloses it.
Purbeck Stone reflects far more light (LRV 52 vs 21), opening up a space where Artichoke encloses it.
At LRV 66 vs 52, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 52, Shoji White is decisively the brighter choice.
At LRV 83 vs 52, Snowbound is decisively the brighter choice.
At LRV 52 vs 12, Purbeck Stone is decisively the brighter choice.
At LRV 68 vs 52, Skimming Stone is decisively the brighter choice.
Purbeck Stone reads slightly lighter (LRV 52 vs 41), a gap that shows most in low-lit rooms.
Calamine reflects far more light (LRV 68 vs 52), opening up a space where Purbeck Stone encloses it.
Purbeck Stone reflects far more light (LRV 52 vs 25), opening up a space where Treron encloses it.
At LRV 52 vs 12, Purbeck Stone is decisively the brighter choice.
A 6-point LRV gap (52 vs 45) makes Purbeck Stone the marginally brighter of the two.
Purbeck Stone reflects far more light (LRV 52 vs 31), opening up a space where Pale Green encloses it.
Purbeck Stone reflects far more light (LRV 52 vs 7), opening up a space where Pine Needle encloses it.
Purbeck Stone reflects far more light (LRV 52 vs 24), opening up a space where Cement grey encloses it.
Guilford Green reads slightly lighter (LRV 57 vs 52), a gap that shows most in low-lit rooms.
Just Walnut reflects far more light (LRV 72 vs 52), opening up a space where Purbeck Stone encloses it.