Cornwall Slate vs Rare Gray

Cornwall Slate and Rare Gray come from the same Sherwin-Williams collection. Both sit in the grey family, which is useful context if you're narrowing within a single hue direction. The 9-point LRV gap — 38 for Rare Gray vs 29 for Cornwall Slate — means Rare Gray will open up a space more effectively. Both share a neutral character, which means they'll respond to light and surrounding materials in similar ways. ΔE 6.9 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.

Cornwall Slate vs Rare Gray in Real Spaces

2 real rooms side by side. Cornwall Slate and Rare Gray are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.

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. Rare Gray returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.

Cornwall SlateSherwin Williams Cornwall Slate Wall Paint

@twilight_roofing

Rare GraySw 6199 Bathroom Vanity

@remodelingtm

House

A full exterior is the most demanding test for a paint color — scale and outdoor light both amplify differences that seem small on a swatch. Rare Gray returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.

Cornwall SlateCornwall Slate Exterior

@carbineandassociates

Rare GrayRare Gray Exterior

@mainhouseoncenter

Color Details

Cornwall Slate
Sherwin-Williams · 9131
Hex#949488
LRV29.1
BrandSherwin-Williams
Number9131
Undertone
TemperatureNeutral
BrightnessMedium
Rare Gray
Sherwin-Williams · 6199
Hex#A6A69B
LRV37.8
BrandSherwin-Williams
Number6199
Undertone
TemperatureNeutral
BrightnessMedium

Cornwall Slate vs Rare Gray Simulated Comparison

5 simulated room previews — drag the slider on each to see Cornwall Slate on one side and Rare Gray 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 Cornwall Slate comparisons

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

White Dove
Cornwall Slate
White Dove
Benjamin Moore
White Dove
LRV 83

White Dove is the lighter choice

Ammonite
Cornwall Slate
Ammonite
Farrow & Ball
Ammonite
LRV 69

Ammonite is the lighter choice

Iron Ore
Cornwall Slate
Iron Ore
Sherwin-Williams
Iron Ore
LRV 6

Cornwall Slate reads noticeably lighter

Purbeck Stone
Cornwall Slate
Purbeck Stone
Farrow & Ball
Purbeck Stone
LRV 52

Purbeck Stone reads noticeably lighter

Evergreen Fog
Cornwall Slate
Evergreen Fog
Sherwin-Williams
Evergreen Fog
LRV 30

Nearly identical in tone

Mizzle
Cornwall Slate
Mizzle
Farrow & Ball
Mizzle
LRV 52

Mizzle reads noticeably lighter

Agreeable Gray
Cornwall Slate
Agreeable Gray
Sherwin-Williams
Agreeable Gray
LRV 60

Agreeable Gray is the lighter choice

Denim Drift
Cornwall Slate
Denim Drift
Dulux
Denim Drift
LRV 27

Nearly identical in tone

Tranquil Dawn
Cornwall Slate
Tranquil Dawn
Dulux
Tranquil Dawn
LRV 55

Tranquil Dawn is the lighter choice

Balboa Mist
Cornwall Slate
Balboa Mist
Benjamin Moore
Balboa Mist
LRV 66

Balboa Mist is the lighter choice

Vintage Vogue
Cornwall Slate
Vintage Vogue
Benjamin Moore
Vintage Vogue
LRV 12

Cornwall Slate reads noticeably lighter

Pale Green
Cornwall Slate
Pale Green
RAL ClassicClassic
Pale Green
LRV 31

Nearly identical in tone

Pine Needle
Cornwall Slate
Pine Needle
Dulux
Pine Needle
LRV 7

Cornwall Slate reads noticeably lighter

Cement grey
Cornwall Slate
Cement grey
RAL ClassicClassic
Cement grey
LRV 24

Cornwall Slate reads slightly lighter

Black grey
Cornwall Slate
Black grey
RAL ClassicClassic
Black grey
LRV 6

Cornwall Slate reads noticeably lighter

Piazza
Cornwall Slate
Piazza
Tikkurila
Piazza
LRV 65

Piazza is the lighter choice

Humble Yellow
Cornwall Slate
Humble Yellow
Jotun
Humble Yellow
LRV 57

Humble Yellow is the lighter choice

Windmill Lane
Cornwall Slate
Windmill Lane
Little Greene
Windmill Lane
LRV 31

Nearly identical in tone

Senses
Cornwall Slate
Senses
Jotun
Senses
LRV 41

Senses reads noticeably lighter

Lamp Black
Cornwall Slate
Lamp Black
Little Greene
Lamp Black
LRV 3

Cornwall Slate is the lighter choice

Washed Linen
Cornwall Slate
Washed Linen
Jotun
Washed Linen
LRV 55

Washed Linen is the lighter choice

Tea with Florence
Cornwall Slate
Tea with Florence
Little Greene
Tea with Florence
LRV 18

Cornwall Slate reads slightly lighter

Thames Fog
Cornwall Slate
Thames Fog
Valspar
Thames Fog
LRV 27

Nearly identical in tone

Ocean Abyss
Cornwall Slate
Ocean Abyss
Behr
Ocean Abyss
LRV 7

Cornwall Slate reads noticeably lighter

Classic Silver
Cornwall Slate
Classic Silver
Behr
Classic Silver
LRV 48

Classic Silver reads noticeably lighter

Teton Blue
Cornwall Slate
Teton Blue
Behr
Teton Blue
LRV 31

Nearly identical in tone

RAL 110-2
Cornwall Slate
RAL 110-2
RAL EffectEffect
RAL 110-2
LRV 72

RAL 110-2 is the lighter choice

RAL 110-1
Cornwall Slate
RAL 110-1
RAL EffectEffect
RAL 110-1
LRV 80

RAL 110-1 is the lighter choice

Paper
Cornwall Slate
Paper
Tikkurila
Paper
LRV 88

Paper is the lighter choice

Passageway
Cornwall Slate
Passageway
Valspar
Passageway
LRV 14

Cornwall Slate reads noticeably lighter