Blue Gray vs French Gray

Blue GrayFarrow & BallvsFrench GrayFarrow & BallΔE 3.8Noticeable difference

Blue Gray and French Gray come from the same Farrow & Ball collection. Blue Gray reads as blue-greige, while French Gray reads as beige-greige — two distinct hue families, not close cousins. Their light reflectance values are nearly the same — 45 vs 43 — so neither will read significantly brighter or darker than the other. Both share a warm character, which means they'll respond to light and surrounding materials in similar ways. ΔE 3.8 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below you'll find 4 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.

Blue Gray vs French Gray in Real Spaces

4 real rooms side by side. Blue Gray and French 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.

Living Room

A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. The distinction reads clearly at room scale, making the choice between them concrete.

Blue GrayFarrow and Ball Blue Gray 91 living room

@clairevstanforth

French GrayFarrow and Ball 18 living room paint

@over_at_overview

Bedroom

Bedrooms are typically lit with warmer, lower light than the rest of the house — a condition that flatters warm tones and deepens cool ones. At this scale, the choice between them becomes clear in a way that a swatch alone can't communicate.

Blue GrayFarrow and Ball Blue Gray 91 bedroom

@bringingupblorenge

French GrayFarrow and Ball French Gray bedroom color review

@renovating_a_nightmare

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. At this scale, the choice between them becomes clear in a way that a swatch alone can't communicate.

Blue GrayFarrow and Ball Blue Gray 91 bathroom

@catarkley

French GrayFarrow and Ball French Gray bathroom review

@livingwithchlo_

Kitchen Cabinets

Cabinet color is always seen in context — against countertops, backsplash, and hardware — which amplifies undertone differences that might disappear on a plain wall. At this scale, the choice between them becomes clear in a way that a swatch alone can't communicate.

Blue GrayFarrow and Ball Blue Gray 91 kitchen cabinets

@homewithcatriona

French GrayFrench Gray kitchen cabinets photo

@myfirstvictorianhome_247

Color Details

Blue Gray
Farrow & Ball · 91
Hex#b4b4a3
LRV44.6
BrandFarrow & Ball
Number91
Undertone
TemperatureWarm
BrightnessMedium
French Gray
Farrow & Ball · 18
Hex#b5b19a
LRV43.3
BrandFarrow & Ball
Number18
Undertone
TemperatureWarm
BrightnessMedium

Blue Gray vs French Gray Simulated Comparison

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

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

White Dove
Blue Gray
White Dove
Benjamin Moore
White Dove
LRV 83

White Dove is the lighter choice

Ammonite
Blue Gray
Ammonite
Farrow & Ball
Ammonite
LRV 69

Ammonite reads noticeably lighter

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

Blue Gray is the lighter choice

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

Purbeck Stone reads slightly lighter

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

Blue Gray reads noticeably lighter

Mizzle
Blue Gray
Mizzle
Farrow & Ball
Mizzle
LRV 52

Mizzle reads slightly lighter

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

Agreeable Gray reads noticeably lighter

Denim Drift
Blue Gray
Denim Drift
Dulux
Denim Drift
LRV 27

Blue Gray reads noticeably lighter

Tranquil Dawn
Blue Gray
Tranquil Dawn
Dulux
Tranquil Dawn
LRV 55

Tranquil Dawn reads slightly lighter

Balboa Mist
Blue Gray
Balboa Mist
Benjamin Moore
Balboa Mist
LRV 66

Balboa Mist reads noticeably lighter

Vintage Vogue
Blue Gray
Vintage Vogue
Benjamin Moore
Vintage Vogue
LRV 12

Blue Gray is the lighter choice

Pale Green
Blue Gray
Pale Green
RAL ClassicClassic
Pale Green
LRV 31

Blue Gray reads noticeably lighter

Pine Needle
Blue Gray
Pine Needle
Dulux
Pine Needle
LRV 7

Blue Gray is the lighter choice

Cement grey
Blue Gray
Cement grey
RAL ClassicClassic
Cement grey
LRV 24

Blue Gray reads noticeably lighter

Black grey
Blue Gray
Black grey
RAL ClassicClassic
Black grey
LRV 6

Blue Gray is the lighter choice

Piazza
Blue Gray
Piazza
Tikkurila
Piazza
LRV 65

Piazza reads noticeably lighter

Humble Yellow
Blue Gray
Humble Yellow
Jotun
Humble Yellow
LRV 57

Humble Yellow reads slightly lighter

Windmill Lane
Blue Gray
Windmill Lane
Little Greene
Windmill Lane
LRV 31

Blue Gray reads noticeably lighter

Senses
Blue Gray
Senses
Jotun
Senses
LRV 41

Blue Gray reads slightly lighter

Lamp Black
Blue Gray
Lamp Black
Little Greene
Lamp Black
LRV 3

Blue Gray is the lighter choice

Washed Linen
Blue Gray
Washed Linen
Jotun
Washed Linen
LRV 55

Washed Linen reads slightly lighter

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

Blue Gray is the lighter choice

Thames Fog
Blue Gray
Thames Fog
Valspar
Thames Fog
LRV 27

Blue Gray reads noticeably lighter

Ocean Abyss
Blue Gray
Ocean Abyss
Behr
Ocean Abyss
LRV 7

Blue Gray is the lighter choice

Classic Silver
Blue Gray
Classic Silver
Behr
Classic Silver
LRV 48

Classic Silver reads slightly lighter

Teton Blue
Blue Gray
Teton Blue
Behr
Teton Blue
LRV 31

Blue Gray reads noticeably lighter

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

RAL 110-2 is the lighter choice

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

RAL 110-1 is the lighter choice

Paper
Blue Gray
Paper
Tikkurila
Paper
LRV 88

Paper is the lighter choice

Passageway
Blue Gray
Passageway
Valspar
Passageway
LRV 14

Blue Gray is the lighter choice