Weathered Glass vs Black grey

Weathered GlassDuluxvsBlack greyRAL ClassicΔE 63.8Very different colors

Where Weathered Glass belongs to Dulux's range, Black grey is a RAL Classic color. Hue-wise, Weathered Glass belongs to the green-grey family and Black grey to the blue-grey family. Weathered Glass (LRV 66) reflects noticeably more light than Black grey (LRV 6), a difference of 60 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 63.8, 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 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.

Weathered Glass vs Black grey in Real Spaces

2 real rooms side by side. Seeing Weathered Glass and Black grey 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 Weathered Glass will make the room feel meaningfully brighter than Black grey would.

Weathered GlassDulux Weathered Glass hallway

@paint_by_courtney

Black greyRAL Classic Black grey 7021 living room

@dorfstadtvilla

Kitchen Cabinets

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

Weathered GlassWeathered Glass kitchen cabinets color

@2ndcityspraysolutions

Black greyRAL Classic 7021 kitchen cabinets paint review

@a.jak.agata

Color Details

Weathered Glass
Dulux · 94GY 66/038
Hex#CDD4CE
LRV66.0
BrandDulux
Number94GY 66/038
Undertone
TemperatureNeutral
BrightnessLight
Black grey
RAL Classic · RAL 7021
Hex#2F3234
LRV6.5
BrandRAL Classic
NumberRAL 7021
Undertone
Temperature
BrightnessDark

Weathered Glass vs Black grey Simulated Comparison

5 simulated room previews — drag the slider on each to see Weathered Glass on one side and Black grey 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 Weathered Glass comparisons

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

White Dove
Weathered Glass
White Dove
Benjamin Moore
White Dove
LRV 83

White Dove reads noticeably lighter

Ammonite
Weathered Glass
Ammonite
Farrow & Ball
Ammonite
LRV 69

Nearly identical in tone

Iron Ore
Weathered Glass
Iron Ore
Sherwin-Williams
Iron Ore
LRV 6

Weathered Glass is the lighter choice

Purbeck Stone
Weathered Glass
Purbeck Stone
Farrow & Ball
Purbeck Stone
LRV 52

Weathered Glass reads noticeably lighter

Evergreen Fog
Weathered Glass
Evergreen Fog
Sherwin-Williams
Evergreen Fog
LRV 30

Weathered Glass is the lighter choice

Mizzle
Weathered Glass
Mizzle
Farrow & Ball
Mizzle
LRV 52

Weathered Glass reads noticeably lighter

Agreeable Gray
Weathered Glass
Agreeable Gray
Sherwin-Williams
Agreeable Gray
LRV 60

Weathered Glass reads slightly lighter

Denim Drift
Weathered Glass
Denim Drift
Dulux
Denim Drift
LRV 27

Weathered Glass is the lighter choice

Tranquil Dawn
Weathered Glass
Tranquil Dawn
Dulux
Tranquil Dawn
LRV 55

Weathered Glass reads slightly lighter

Balboa Mist
Weathered Glass
Balboa Mist
Benjamin Moore
Balboa Mist
LRV 66

Nearly identical in tone

Vintage Vogue
Weathered Glass
Vintage Vogue
Benjamin Moore
Vintage Vogue
LRV 12

Weathered Glass is the lighter choice

Pale Green
Weathered Glass
Pale Green
RAL ClassicClassic
Pale Green
LRV 31

Weathered Glass is the lighter choice

Pine Needle
Weathered Glass
Pine Needle
Dulux
Pine Needle
LRV 7

Weathered Glass is the lighter choice

Cement grey
Weathered Glass
Cement grey
RAL ClassicClassic
Cement grey
LRV 24

Weathered Glass is the lighter choice

Piazza
Weathered Glass
Piazza
Tikkurila
Piazza
LRV 65

Nearly identical in tone

Humble Yellow
Weathered Glass
Humble Yellow
Jotun
Humble Yellow
LRV 57

Weathered Glass reads slightly lighter

Grey Blue
Weathered Glass
Grey Blue
RAL ClassicClassic
Grey Blue
LRV 7

Weathered Glass is the lighter choice

Windmill Lane
Weathered Glass
Windmill Lane
Little Greene
Windmill Lane
LRV 31

Weathered Glass is the lighter choice

Senses
Weathered Glass
Senses
Jotun
Senses
LRV 41

Weathered Glass reads noticeably lighter

Lamp Black
Weathered Glass
Lamp Black
Little Greene
Lamp Black
LRV 3

Weathered Glass is the lighter choice

Washed Linen
Weathered Glass
Washed Linen
Jotun
Washed Linen
LRV 55

Weathered Glass reads slightly lighter

Tea with Florence
Weathered Glass
Tea with Florence
Little Greene
Tea with Florence
LRV 18

Weathered Glass is the lighter choice

Thames Fog
Weathered Glass
Thames Fog
Valspar
Thames Fog
LRV 27

Weathered Glass is the lighter choice

Ocean Abyss
Weathered Glass
Ocean Abyss
Behr
Ocean Abyss
LRV 7

Weathered Glass is the lighter choice

Classic Silver
Weathered Glass
Classic Silver
Behr
Classic Silver
LRV 48

Weathered Glass reads noticeably lighter

Teton Blue
Weathered Glass
Teton Blue
Behr
Teton Blue
LRV 31

Weathered Glass is the lighter choice

RAL 110-2
Weathered Glass
RAL 110-2
RAL EffectEffect
RAL 110-2
LRV 72

RAL 110-2 reads slightly lighter

RAL 110-1
Weathered Glass
RAL 110-1
RAL EffectEffect
RAL 110-1
LRV 80

RAL 110-1 reads noticeably lighter

Paper
Weathered Glass
Paper
Tikkurila
Paper
LRV 88

Paper reads noticeably lighter

Passageway
Weathered Glass
Passageway
Valspar
Passageway
LRV 14

Weathered Glass is the lighter choice