Mopboard Black vs Purbeck Stone

Mopboard BlackBenjamin MoorevsPurbeck StoneFarrow & BallΔE 54.1Very different colors

Where Mopboard Black belongs to Benjamin Moore's range, Purbeck Stone is a Farrow & Ball color. Mopboard Black reads as grey, while Purbeck Stone reads as greige-grey — two distinct hue families, not close cousins. Purbeck Stone (LRV 52) reflects noticeably more light than Mopboard Black (LRV 6), a difference of 46 points that becomes especially apparent in rooms with limited natural light. Mopboard Black runs blue while Purbeck Stone is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 54.1, 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 4 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.

Mopboard Black vs Purbeck Stone in Real Spaces

4 real rooms side by side. Seeing Mopboard Black 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

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 LRV gap is large enough that Purbeck Stone will make the room feel meaningfully brighter than Mopboard Black would.

Mopboard BlackBenjamin Moore Mopboard Black Living Room Fireplace

@amberthecolor

Purbeck StoneFarrow and Ball Purbeck Stone living room fireplace paint

@edwardian_semi_northwest

Bathroom

Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. Purbeck Stone reflects noticeably more light off the walls, making the space read more open than Mopboard Black.

Mopboard BlackBm Mopboard Black Bathroom

@roandesign

Purbeck StoneFarrow and Ball Purbeck Stone bathroom review

@harryloveswood

Home Office

The test for a home office color isn't how it looks in a quick glance — it's whether it still feels right after a full day of work. Purbeck Stone reflects noticeably more light off the walls, making the space read more open than Mopboard Black.

Mopboard BlackBm Mopboard Black Home Office

@agirlcalleddante

Purbeck StonePurbeck Stone home office interior

@hannahofthemanor

Kitchen Cabinets

Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Purbeck Stone reflects noticeably more light off the walls, making the space read more open than Mopboard Black.

Mopboard BlackKitchen Cabinets

@t.oakshome

Purbeck StoneFarrow and Ball 275 kitchen cabinets picture

@hannahdoraninteriors

Color Details

Mopboard Black
Benjamin Moore · CW-680
Hex#373839
LRV6.2
BrandBenjamin Moore
NumberCW-680
UndertoneBlue
TemperatureNeutral
BrightnessDark
Purbeck Stone
Farrow & Ball · 275
Hex#c4beb4
LRV51.9
BrandFarrow & Ball
Number275
Undertone
TemperatureWarm
BrightnessMedium

Mopboard Black vs Purbeck Stone Simulated Comparison

5 simulated room previews — drag the slider on each to see Mopboard Black on one side and Purbeck Stone on the other.

Bathroom
Bedroom
House
Kitchen Cabinets
Living Room

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 Mopboard Black comparisons

See how Mopboard Black stacks up against other well-photographed colors across different brands and tones.

White Dove
Mopboard Black
White Dove
Benjamin Moore
White Dove
LRV 83

White Dove is the lighter choice

Ammonite
Mopboard Black
Ammonite
Farrow & Ball
Ammonite
LRV 69

Ammonite is the lighter choice

Iron Ore
Mopboard Black
Iron Ore
Sherwin-Williams
Iron Ore
LRV 6

Nearly identical in tone

Evergreen Fog
Mopboard Black
Evergreen Fog
Sherwin-Williams
Evergreen Fog
LRV 30

Evergreen Fog reads noticeably lighter

Mizzle
Mopboard Black
Mizzle
Farrow & Ball
Mizzle
LRV 52

Mizzle is the lighter choice

Agreeable Gray
Mopboard Black
Agreeable Gray
Sherwin-Williams
Agreeable Gray
LRV 60

Agreeable Gray is the lighter choice

Denim Drift
Mopboard Black
Denim Drift
Dulux
Denim Drift
LRV 27

Denim Drift reads noticeably lighter

French Gray
Mopboard Black
French Gray
Farrow & Ball
French Gray
LRV 43

French Gray is the lighter choice

Tranquil Dawn
Mopboard Black
Tranquil Dawn
Dulux
Tranquil Dawn
LRV 55

Tranquil Dawn is the lighter choice

Balboa Mist
Mopboard Black
Balboa Mist
Benjamin Moore
Balboa Mist
LRV 66

Balboa Mist is the lighter choice

Vintage Vogue
Mopboard Black
Vintage Vogue
Benjamin Moore
Vintage Vogue
LRV 12

Vintage Vogue reads slightly lighter

Pale Green
Mopboard Black
Pale Green
RAL ClassicClassic
Pale Green
LRV 31

Pale Green is the lighter choice

Pine Needle
Mopboard Black
Pine Needle
Dulux
Pine Needle
LRV 7

Nearly identical in tone

Cement grey
Mopboard Black
Cement grey
RAL ClassicClassic
Cement grey
LRV 24

Cement grey reads noticeably lighter

Black grey
Mopboard Black
Black grey
RAL ClassicClassic
Black grey
LRV 6

Nearly identical in tone

Piazza
Mopboard Black
Piazza
Tikkurila
Piazza
LRV 65

Piazza is the lighter choice

Humble Yellow
Mopboard Black
Humble Yellow
Jotun
Humble Yellow
LRV 57

Humble Yellow is the lighter choice

Windmill Lane
Mopboard Black
Windmill Lane
Little Greene
Windmill Lane
LRV 31

Windmill Lane reads noticeably lighter

Senses
Mopboard Black
Senses
Jotun
Senses
LRV 41

Senses is the lighter choice

Lamp Black
Mopboard Black
Lamp Black
Little Greene
Lamp Black
LRV 3

Mopboard Black reads slightly lighter

Washed Linen
Mopboard Black
Washed Linen
Jotun
Washed Linen
LRV 55

Washed Linen is the lighter choice

Tea with Florence
Mopboard Black
Tea with Florence
Little Greene
Tea with Florence
LRV 18

Tea with Florence reads noticeably lighter

Thames Fog
Mopboard Black
Thames Fog
Valspar
Thames Fog
LRV 27

Thames Fog reads noticeably lighter

Ocean Abyss
Mopboard Black
Ocean Abyss
Behr
Ocean Abyss
LRV 7

Nearly identical in tone

Classic Silver
Mopboard Black
Classic Silver
Behr
Classic Silver
LRV 48

Classic Silver is the lighter choice

Teton Blue
Mopboard Black
Teton Blue
Behr
Teton Blue
LRV 31

Teton Blue reads noticeably lighter

RAL 110-2
Mopboard Black
RAL 110-2
RAL EffectEffect
RAL 110-2
LRV 72

RAL 110-2 is the lighter choice

RAL 110-1
Mopboard Black
RAL 110-1
RAL EffectEffect
RAL 110-1
LRV 80

RAL 110-1 is the lighter choice

Paper
Mopboard Black
Paper
Tikkurila
Paper
LRV 88

Paper is the lighter choice

Passageway
Mopboard Black
Passageway
Valspar
Passageway
LRV 14

Passageway reads slightly lighter