Beacon Blue vs Black grey

Beacon BlueBehrvsBlack greyRAL ClassicΔE 40.6Very different colors

Where Beacon Blue belongs to Behr's range, Black grey is a RAL Classic color. Beacon Blue reads as blue, while Black grey reads as blue-grey — two distinct hue families, not close cousins. They have nearly identical light reflectance values (9 vs 6), so they'll read as similarly Dark in most lighting conditions. With a ΔE of 40.6, 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.

Beacon Blue vs Black grey in Real Spaces

3 real rooms side by side. Seeing Beacon Blue 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. Side by side like this, the difference is easy to read — which is exactly why seeing them in a real space is more useful than comparing chips.

Beacon BlueBehr Beacon Blue eclectic living room

@artsyashleyhome

Black greyRAL Classic Black grey 7021 living room

@dorfstadtvilla

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. The distinction reads clearly at room scale, making the choice between them concrete.

Beacon BlueBehr Beacon Blue house exterior color paint

@oshunsorchard

Black greyRAL Classic Black grey 7021 house exterior

@ebbandflow_home

Front Door

A front door is a focal point — small color differences read clearly at this concentrated scale. Side by side like this, the difference is easy to read — which is exactly why seeing them in a real space is more useful than comparing chips.

Beacon BlueBehr Beacon Blue front door color

@apricotskittles

Black greyRAL Classic Black grey 7021 front door

@doing_up_the_doer_upper

Color Details

Beacon Blue
Behr · P510-7
Hex#265c98
LRV8.8
BrandBehr
NumberP510-7
UndertoneBlue
TemperatureCool
BrightnessDark
Black grey
RAL Classic · RAL 7021
Hex#2F3234
LRV6.5
BrandRAL Classic
NumberRAL 7021
Undertone
Temperature
BrightnessDark

Beacon Blue vs Black grey Simulated Comparison

5 simulated room previews — drag the slider on each to see Beacon Blue 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 Beacon Blue comparisons

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

White Dove
Beacon Blue
White Dove
Benjamin Moore
White Dove
LRV 83

White Dove is the lighter choice

Ammonite
Beacon Blue
Ammonite
Farrow & Ball
Ammonite
LRV 69

Ammonite is the lighter choice

Iron Ore
Beacon Blue
Iron Ore
Sherwin-Williams
Iron Ore
LRV 6

Beacon Blue reads slightly lighter

Purbeck Stone
Beacon Blue
Purbeck Stone
Farrow & Ball
Purbeck Stone
LRV 52

Purbeck Stone is the lighter choice

Evergreen Fog
Beacon Blue
Evergreen Fog
Sherwin-Williams
Evergreen Fog
LRV 30

Evergreen Fog reads noticeably lighter

Mizzle
Beacon Blue
Mizzle
Farrow & Ball
Mizzle
LRV 52

Mizzle is the lighter choice

Agreeable Gray
Beacon Blue
Agreeable Gray
Sherwin-Williams
Agreeable Gray
LRV 60

Agreeable Gray is the lighter choice

Denim Drift
Beacon Blue
Denim Drift
Dulux
Denim Drift
LRV 27

Denim Drift reads noticeably lighter

Tranquil Dawn
Beacon Blue
Tranquil Dawn
Dulux
Tranquil Dawn
LRV 55

Tranquil Dawn is the lighter choice

Balboa Mist
Beacon Blue
Balboa Mist
Benjamin Moore
Balboa Mist
LRV 66

Balboa Mist is the lighter choice

Vintage Vogue
Beacon Blue
Vintage Vogue
Benjamin Moore
Vintage Vogue
LRV 12

Vintage Vogue reads slightly lighter

Pale Green
Beacon Blue
Pale Green
RAL ClassicClassic
Pale Green
LRV 31

Pale Green reads noticeably lighter

Pine Needle
Beacon Blue
Pine Needle
Dulux
Pine Needle
LRV 7

Nearly identical in tone

Cement grey
Beacon Blue
Cement grey
RAL ClassicClassic
Cement grey
LRV 24

Cement grey reads noticeably lighter

Piazza
Beacon Blue
Piazza
Tikkurila
Piazza
LRV 65

Piazza is the lighter choice

Humble Yellow
Beacon Blue
Humble Yellow
Jotun
Humble Yellow
LRV 57

Humble Yellow is the lighter choice

Grey Blue
Beacon Blue
Grey Blue
RAL ClassicClassic
Grey Blue
LRV 7

Nearly identical in tone

Windmill Lane
Beacon Blue
Windmill Lane
Little Greene
Windmill Lane
LRV 31

Windmill Lane reads noticeably lighter

Senses
Beacon Blue
Senses
Jotun
Senses
LRV 41

Senses is the lighter choice

Lamp Black
Beacon Blue
Lamp Black
Little Greene
Lamp Black
LRV 3

Beacon Blue reads slightly lighter

Washed Linen
Beacon Blue
Washed Linen
Jotun
Washed Linen
LRV 55

Washed Linen is the lighter choice

Tea with Florence
Beacon Blue
Tea with Florence
Little Greene
Tea with Florence
LRV 18

Tea with Florence reads slightly lighter

Thames Fog
Beacon Blue
Thames Fog
Valspar
Thames Fog
LRV 27

Thames Fog reads noticeably lighter

Ocean Abyss
Beacon Blue
Ocean Abyss
Behr
Ocean Abyss
LRV 7

Nearly identical in tone

Classic Silver
Beacon Blue
Classic Silver
Behr
Classic Silver
LRV 48

Classic Silver is the lighter choice

Teton Blue
Beacon Blue
Teton Blue
Behr
Teton Blue
LRV 31

Teton Blue reads noticeably lighter

RAL 110-2
Beacon Blue
RAL 110-2
RAL EffectEffect
RAL 110-2
LRV 72

RAL 110-2 is the lighter choice

RAL 110-1
Beacon Blue
RAL 110-1
RAL EffectEffect
RAL 110-1
LRV 80

RAL 110-1 is the lighter choice

Paper
Beacon Blue
Paper
Tikkurila
Paper
LRV 88

Paper is the lighter choice

Passageway
Beacon Blue
Passageway
Valspar
Passageway
LRV 14

Passageway reads slightly lighter