Moon Glass vs Grey Blue

Moon GlassBehrvsGrey BlueRAL ClassicΔE 51.6Very different colors

Where Moon Glass belongs to Behr's range, Grey Blue is a RAL Classic color. Hue-wise, Moon Glass belongs to the green family and Grey Blue to the blue-grey family. Moon Glass (LRV 59) reflects noticeably more light than Grey Blue (LRV 7), a difference of 51 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 51.6, 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 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.

Moon Glass vs Grey Blue in Real Spaces

3 real rooms side by side. Seeing Moon Glass 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.

Bedroom

The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Moon Glass reflects noticeably more light off the walls, making the space read more open than Grey Blue.

Moon GlassBehr Moon Glass bedroom

Visualization

Grey BlueRAL Classic Grey Blue 5008 bedroom

@huisjevanalles

House

Seen across an entire facade, subtle tonal differences become pronounced. What reads as nearly the same on a chip often reads as clearly different at scale. Moon Glass reflects noticeably more light off the walls, making the space read more open than Grey Blue.

Moon GlassBehr Moon Glass victorian house interior

Visualization

Grey BlueRAL Classic Grey Blue 5008 house exterior

@bungalow_in_brokdorf

Kitchen Cabinets

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

Moon GlassBehr Moon Glass kitchen cabinets

Visualization

Grey BlueRAL Classic Grey Blue 5008 kitchen cabinets

@ilo.nove_homestory

Color Details

Moon Glass
Behr · S420-2
Hex#bcd1c7
LRV58.7
BrandBehr
NumberS420-2
UndertoneGreen
TemperatureCool
BrightnessLight
Grey Blue
RAL Classic · RAL 5008
Hex#464c56
LRV7.5
BrandRAL Classic
NumberRAL 5008
Undertone
Temperature
BrightnessDark

Moon Glass vs Grey Blue Simulated Comparison

5 simulated room previews — drag the slider on each to see Moon Glass 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 Moon Glass comparisons

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

White Dove
Moon Glass
White Dove
Benjamin Moore
White Dove
LRV 83

White Dove reads noticeably lighter

Ammonite
Moon Glass
Ammonite
Farrow & Ball
Ammonite
LRV 69

Ammonite reads slightly lighter

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

Moon Glass is the lighter choice

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

Moon Glass reads slightly lighter

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

Moon Glass is the lighter choice

Mizzle
Moon Glass
Mizzle
Farrow & Ball
Mizzle
LRV 52

Moon Glass reads slightly lighter

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

Nearly identical in tone

Denim Drift
Moon Glass
Denim Drift
Dulux
Denim Drift
LRV 27

Moon Glass is the lighter choice

Tranquil Dawn
Moon Glass
Tranquil Dawn
Dulux
Tranquil Dawn
LRV 55

Moon Glass reads slightly lighter

Balboa Mist
Moon Glass
Balboa Mist
Benjamin Moore
Balboa Mist
LRV 66

Balboa Mist reads slightly lighter

Vintage Vogue
Moon Glass
Vintage Vogue
Benjamin Moore
Vintage Vogue
LRV 12

Moon Glass is the lighter choice

Pale Green
Moon Glass
Pale Green
RAL ClassicClassic
Pale Green
LRV 31

Moon Glass is the lighter choice

Pine Needle
Moon Glass
Pine Needle
Dulux
Pine Needle
LRV 7

Moon Glass is the lighter choice

Cement grey
Moon Glass
Cement grey
RAL ClassicClassic
Cement grey
LRV 24

Moon Glass is the lighter choice

Black grey
Moon Glass
Black grey
RAL ClassicClassic
Black grey
LRV 6

Moon Glass is the lighter choice

Piazza
Moon Glass
Piazza
Tikkurila
Piazza
LRV 65

Piazza reads slightly lighter

Humble Yellow
Moon Glass
Humble Yellow
Jotun
Humble Yellow
LRV 57

Nearly identical in tone

Windmill Lane
Moon Glass
Windmill Lane
Little Greene
Windmill Lane
LRV 31

Moon Glass is the lighter choice

Senses
Moon Glass
Senses
Jotun
Senses
LRV 41

Moon Glass reads noticeably lighter

Lamp Black
Moon Glass
Lamp Black
Little Greene
Lamp Black
LRV 3

Moon Glass is the lighter choice

Washed Linen
Moon Glass
Washed Linen
Jotun
Washed Linen
LRV 55

Moon Glass reads slightly lighter

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

Moon Glass is the lighter choice

Thames Fog
Moon Glass
Thames Fog
Valspar
Thames Fog
LRV 27

Moon Glass is the lighter choice

Ocean Abyss
Moon Glass
Ocean Abyss
Behr
Ocean Abyss
LRV 7

Moon Glass is the lighter choice

Classic Silver
Moon Glass
Classic Silver
Behr
Classic Silver
LRV 48

Moon Glass reads slightly lighter

Teton Blue
Moon Glass
Teton Blue
Behr
Teton Blue
LRV 31

Moon Glass is the lighter choice

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

RAL 110-2 reads noticeably lighter

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

RAL 110-1 reads noticeably lighter

Paper
Moon Glass
Paper
Tikkurila
Paper
LRV 88

Paper is the lighter choice

Passageway
Moon Glass
Passageway
Valspar
Passageway
LRV 14

Moon Glass is the lighter choice