Copley Gray vs Grey Blue

Copley GrayBenjamin MoorevsGrey BlueRAL ClassicΔE 30.8Very different colors

Copley Gray is a Benjamin Moore color while Grey Blue comes from RAL Classic. Copley Gray reads as greige-grey, while Grey Blue reads as blue-grey — two distinct hue families, not close cousins. At LRV 26 vs 7, Copley Gray will read as the brighter of the two — a 18-point gap that matters most in north-facing or low-light rooms. At ΔE 30.8, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.

Copley Gray vs Grey Blue in Real Spaces

2 real rooms side by side. Seeing Copley Gray and Grey Blue in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.

House

At full exterior scale, the difference between these two colors becomes much easier to judge than from a small chip. The LRV gap is large enough that Copley Gray will make the room feel meaningfully brighter than Grey Blue would.

Copley GrayBm Copley Gray Exterior Paint

@amcgrawesome

Grey BlueRAL Classic Grey Blue 5008 house exterior

@bungalow_in_brokdorf

Kitchen Cabinets

On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The LRV gap is large enough that Copley Gray will make the room feel meaningfully brighter than Grey Blue would.

Copley GrayKitchen Cabinets

@thehollowayhome

Grey BlueRAL Classic Grey Blue 5008 kitchen cabinets

@ilo.nove_homestory

Color Details

Copley Gray
Benjamin Moore · HC-104
Hex#918A78
LRV25.6
BrandBenjamin Moore
NumberHC-104
UndertoneRed
TemperatureWarm
BrightnessMedium
Grey Blue
RAL Classic · RAL 5008
Hex#464c56
LRV7.5
BrandRAL Classic
NumberRAL 5008
Undertone
Temperature
BrightnessDark

Copley Gray vs Grey Blue Simulated Comparison

5 simulated room previews — drag the slider on each to see Copley Gray on one side and Grey Blue 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 Copley Gray comparisons

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

White Dove
Copley Gray
White Dove
Benjamin Moore
White Dove
LRV 83

White Dove is the lighter choice

Ammonite
Copley Gray
Ammonite
Farrow & Ball
Ammonite
LRV 69

Ammonite is the lighter choice

Iron Ore
Copley Gray
Iron Ore
Sherwin-Williams
Iron Ore
LRV 6

Copley Gray reads noticeably lighter

Purbeck Stone
Copley Gray
Purbeck Stone
Farrow & Ball
Purbeck Stone
LRV 52

Purbeck Stone is the lighter choice

Evergreen Fog
Copley Gray
Evergreen Fog
Sherwin-Williams
Evergreen Fog
LRV 30

Evergreen Fog reads slightly lighter

Mizzle
Copley Gray
Mizzle
Farrow & Ball
Mizzle
LRV 52

Mizzle is the lighter choice

Agreeable Gray
Copley Gray
Agreeable Gray
Sherwin-Williams
Agreeable Gray
LRV 60

Agreeable Gray is the lighter choice

Denim Drift
Copley Gray
Denim Drift
Dulux
Denim Drift
LRV 27

Nearly identical in tone

Tranquil Dawn
Copley Gray
Tranquil Dawn
Dulux
Tranquil Dawn
LRV 55

Tranquil Dawn is the lighter choice

Balboa Mist
Copley Gray
Balboa Mist
Benjamin Moore
Balboa Mist
LRV 66

Balboa Mist is the lighter choice

Vintage Vogue
Copley Gray
Vintage Vogue
Benjamin Moore
Vintage Vogue
LRV 12

Copley Gray reads noticeably lighter

Pale Green
Copley Gray
Pale Green
RAL ClassicClassic
Pale Green
LRV 31

Pale Green reads slightly lighter

Pine Needle
Copley Gray
Pine Needle
Dulux
Pine Needle
LRV 7

Copley Gray reads noticeably lighter

Cement grey
Copley Gray
Cement grey
RAL ClassicClassic
Cement grey
LRV 24

Nearly identical in tone

Black grey
Copley Gray
Black grey
RAL ClassicClassic
Black grey
LRV 6

Copley Gray reads noticeably lighter

Piazza
Copley Gray
Piazza
Tikkurila
Piazza
LRV 65

Piazza is the lighter choice

Humble Yellow
Copley Gray
Humble Yellow
Jotun
Humble Yellow
LRV 57

Humble Yellow is the lighter choice

Windmill Lane
Copley Gray
Windmill Lane
Little Greene
Windmill Lane
LRV 31

Windmill Lane reads slightly lighter

Senses
Copley Gray
Senses
Jotun
Senses
LRV 41

Senses reads noticeably lighter

Lamp Black
Copley Gray
Lamp Black
Little Greene
Lamp Black
LRV 3

Copley Gray reads noticeably lighter

Washed Linen
Copley Gray
Washed Linen
Jotun
Washed Linen
LRV 55

Washed Linen is the lighter choice

Tea with Florence
Copley Gray
Tea with Florence
Little Greene
Tea with Florence
LRV 18

Copley Gray reads slightly lighter

Thames Fog
Copley Gray
Thames Fog
Valspar
Thames Fog
LRV 27

Nearly identical in tone

Ocean Abyss
Copley Gray
Ocean Abyss
Behr
Ocean Abyss
LRV 7

Copley Gray reads noticeably lighter

Classic Silver
Copley Gray
Classic Silver
Behr
Classic Silver
LRV 48

Classic Silver reads noticeably lighter

Teton Blue
Copley Gray
Teton Blue
Behr
Teton Blue
LRV 31

Teton Blue reads slightly lighter

RAL 110-2
Copley Gray
RAL 110-2
RAL EffectEffect
RAL 110-2
LRV 72

RAL 110-2 is the lighter choice

RAL 110-1
Copley Gray
RAL 110-1
RAL EffectEffect
RAL 110-1
LRV 80

RAL 110-1 is the lighter choice

Paper
Copley Gray
Paper
Tikkurila
Paper
LRV 88

Paper is the lighter choice

Passageway
Copley Gray
Passageway
Valspar
Passageway
LRV 14

Copley Gray reads slightly lighter