Grey Splendor vs Soulful Blue

Grey SplendorDuluxvsSoulful BlueSherwin-WilliamsΔE 7.1Noticeable difference

Grey Splendor is a Dulux color while Soulful Blue comes from Sherwin-Williams. These are both blue-greys, so the question isn't which hue to choose — it's where within blue-grey to land. With LRVs of 21 and 20, they'll behave almost identically in terms of how much light they reflect back into a room. The tonal difference — Grey Splendor's neutral character against Soulful Blue's cool — becomes most visible against white trim or in morning light. At ΔE 7.1, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.

Grey Splendor vs Soulful Blue in Real Spaces

1 real room side by side. Grey Splendor and Soulful Blue 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.

Bedroom

Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The temperature contrast between Soulful Blue and Grey Splendor is what sets these apart most in this context.

Grey SplendorDulux Grey Splendor bedroom color

@property_rejuvenate

Soulful BlueSw 6543 Nursery

@cgar____

Color Details

Grey Splendor
Dulux · 30BB 21/056
Hex#737B84
LRV21.0
BrandDulux
Number30BB 21/056
Undertone
TemperatureNeutral
BrightnessDark
Soulful Blue
Sherwin-Williams · 6543
Hex#757C91
LRV20.3
BrandSherwin-Williams
Number6543
Undertone
TemperatureCool
BrightnessMedium

Grey Splendor vs Soulful Blue Simulated Comparison

5 simulated room previews — drag the slider on each to see Grey Splendor on one side and Soulful 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 Grey Splendor comparisons

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

White Dove
Grey Splendor
White Dove
Benjamin Moore
White Dove
LRV 83

White Dove is the lighter choice

Ammonite
Grey Splendor
Ammonite
Farrow & Ball
Ammonite
LRV 69

Ammonite is the lighter choice

Iron Ore
Grey Splendor
Iron Ore
Sherwin-Williams
Iron Ore
LRV 6

Grey Splendor reads noticeably lighter

Purbeck Stone
Grey Splendor
Purbeck Stone
Farrow & Ball
Purbeck Stone
LRV 52

Purbeck Stone is the lighter choice

Evergreen Fog
Grey Splendor
Evergreen Fog
Sherwin-Williams
Evergreen Fog
LRV 30

Evergreen Fog reads slightly lighter

Mizzle
Grey Splendor
Mizzle
Farrow & Ball
Mizzle
LRV 52

Mizzle is the lighter choice

Agreeable Gray
Grey Splendor
Agreeable Gray
Sherwin-Williams
Agreeable Gray
LRV 60

Agreeable Gray is the lighter choice

Denim Drift
Grey Splendor
Denim Drift
Dulux
Denim Drift
LRV 27

Denim Drift reads slightly lighter

Tranquil Dawn
Grey Splendor
Tranquil Dawn
Dulux
Tranquil Dawn
LRV 55

Tranquil Dawn is the lighter choice

Balboa Mist
Grey Splendor
Balboa Mist
Benjamin Moore
Balboa Mist
LRV 66

Balboa Mist is the lighter choice

Vintage Vogue
Grey Splendor
Vintage Vogue
Benjamin Moore
Vintage Vogue
LRV 12

Grey Splendor reads slightly lighter

Pale Green
Grey Splendor
Pale Green
RAL ClassicClassic
Pale Green
LRV 31

Pale Green reads slightly lighter

Pine Needle
Grey Splendor
Pine Needle
Dulux
Pine Needle
LRV 7

Grey Splendor reads noticeably lighter

Cement grey
Grey Splendor
Cement grey
RAL ClassicClassic
Cement grey
LRV 24

Cement grey reads slightly lighter

Black grey
Grey Splendor
Black grey
RAL ClassicClassic
Black grey
LRV 6

Grey Splendor reads noticeably lighter

Piazza
Grey Splendor
Piazza
Tikkurila
Piazza
LRV 65

Piazza is the lighter choice

Humble Yellow
Grey Splendor
Humble Yellow
Jotun
Humble Yellow
LRV 57

Humble Yellow is the lighter choice

Windmill Lane
Grey Splendor
Windmill Lane
Little Greene
Windmill Lane
LRV 31

Windmill Lane reads slightly lighter

Senses
Grey Splendor
Senses
Jotun
Senses
LRV 41

Senses reads noticeably lighter

Lamp Black
Grey Splendor
Lamp Black
Little Greene
Lamp Black
LRV 3

Grey Splendor reads noticeably lighter

Washed Linen
Grey Splendor
Washed Linen
Jotun
Washed Linen
LRV 55

Washed Linen is the lighter choice

Tea with Florence
Grey Splendor
Tea with Florence
Little Greene
Tea with Florence
LRV 18

Nearly identical in tone

Thames Fog
Grey Splendor
Thames Fog
Valspar
Thames Fog
LRV 27

Thames Fog reads slightly lighter

Ocean Abyss
Grey Splendor
Ocean Abyss
Behr
Ocean Abyss
LRV 7

Grey Splendor reads noticeably lighter

Classic Silver
Grey Splendor
Classic Silver
Behr
Classic Silver
LRV 48

Classic Silver is the lighter choice

Teton Blue
Grey Splendor
Teton Blue
Behr
Teton Blue
LRV 31

Teton Blue reads slightly lighter

RAL 110-2
Grey Splendor
RAL 110-2
RAL EffectEffect
RAL 110-2
LRV 72

RAL 110-2 is the lighter choice

RAL 110-1
Grey Splendor
RAL 110-1
RAL EffectEffect
RAL 110-1
LRV 80

RAL 110-1 is the lighter choice

Paper
Grey Splendor
Paper
Tikkurila
Paper
LRV 88

Paper is the lighter choice

Passageway
Grey Splendor
Passageway
Valspar
Passageway
LRV 14

Grey Splendor reads slightly lighter