Mineral Alloy vs Purbeck Stone
Mineral Alloy (Benjamin Moore) and Purbeck Stone (Farrow & Ball) come from different manufacturers. Mineral Alloy reads as blue-grey, while Purbeck Stone reads as greige-grey — two distinct hue families, not close cousins. The 23-point LRV gap — 52 for Purbeck Stone vs 28 for Mineral Alloy — means Purbeck Stone will open up a space more effectively. Where Mineral Alloy leans blue, Purbeck Stone reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 22.9 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 5 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Mineral Alloy vs Purbeck Stone in Real Spaces
5 real rooms side by side. Seeing Mineral Alloy and Purbeck Stone 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
A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. Purbeck Stone reflects noticeably more light off the walls, making the space read more open than Mineral Alloy.
Dining Room
Dining rooms often rely on warm incandescent or candlelight, which flatters warm undertones and mutes cool ones. The LRV gap is large enough that Purbeck Stone will make the room feel meaningfully brighter than Mineral Alloy would.
Bathroom
Small bathrooms intensify color. A shade that seems quiet in a larger room can feel immersive when you're surrounded by it on four walls. Purbeck Stone returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Mudroom
In a hardworking space like a mudroom, the depth and warmth of a color reads differently than in a quieter room. The LRV gap is large enough that Purbeck Stone will make the room feel meaningfully brighter than Mineral Alloy would.
Kitchen Cabinets
Cabinet color is always seen in context — against countertops, backsplash, and hardware — which amplifies undertone differences that might disappear on a plain wall. Purbeck Stone returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Mineral Alloy vs Purbeck Stone Simulated Comparison
5 simulated room previews — drag the slider on each to see Mineral Alloy 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 Mineral Alloy comparisons
See how Mineral Alloy stacks up against other well-photographed colors across different brands and tones.
At LRV 69 vs 28, Ammonite is decisively the brighter choice.
White Dove reflects far more light (LRV 83 vs 28), opening up a space where Mineral Alloy encloses it.
Mineral Alloy reflects far more light (LRV 28 vs 6), opening up a space where Iron Ore encloses it.
Their light reflectance is nearly identical (LRV 30 vs 28), so neither reads brighter in a room.
Mizzle reflects far more light (LRV 52 vs 28), opening up a space where Mineral Alloy encloses it.
At LRV 60 vs 28, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 28), opening up a space where Mineral Alloy encloses it.
With LRVs of 28 and 27, the two reflect almost the same amount of light.
At LRV 43 vs 28, French Gray is decisively the brighter choice.
At LRV 28 vs 4, Mineral Alloy is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 28), opening up a space where Mineral Alloy encloses it.
Mineral Alloy reflects far more light (LRV 28 vs 13), opening up a space where Bancha encloses it.
Hardwick White reflects far more light (LRV 44 vs 28), opening up a space where Mineral Alloy encloses it.
At LRV 84 vs 28, Pure White is decisively the brighter choice.
A 7-point LRV gap (28 vs 21) makes Mineral Alloy the marginally brighter of the two.
Balboa Mist reflects far more light (LRV 66 vs 28), opening up a space where Mineral Alloy encloses it.
Shoji White reflects far more light (LRV 74 vs 28), opening up a space where Mineral Alloy encloses it.
Snowbound reflects far more light (LRV 83 vs 28), opening up a space where Mineral Alloy encloses it.
At LRV 51 vs 28, Pigeon is decisively the brighter choice.
Mineral Alloy reflects far more light (LRV 28 vs 12), opening up a space where Pewter Green encloses it.
Mineral Alloy reflects far more light (LRV 28 vs 8), opening up a space where Duck Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 28), opening up a space where Mineral Alloy encloses it.
At LRV 41 vs 28, Dix Blue is decisively the brighter choice.
Mineral Alloy reflects far more light (LRV 28 vs 12), opening up a space where Vintage Vogue encloses it.
Saybrook Sage reflects far more light (LRV 45 vs 28), opening up a space where Mineral Alloy encloses it.
Their light reflectance is nearly identical (LRV 31 vs 28), so neither reads brighter in a room.
At LRV 28 vs 7, Mineral Alloy is decisively the brighter choice.