Ink Well vs Sea Serpent

Ink WellDuluxvsSea SerpentSherwin-WilliamsΔE 2.9Subtle difference

Ink Well is a Dulux color while Sea Serpent comes from Sherwin-Williams. Both sit in the blue family, which is useful context if you're narrowing within a single hue direction. With LRVs of 9 and 7, they'll behave almost identically in terms of how much light they reflect back into a room. They share a cool quality — useful to know if you're layering them in the same space. With a ΔE of 2.9, the difference is subtle — you'd need them side by side to reliably tell them apart. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.

Ink Well vs Sea Serpent in Real Spaces

3 real rooms side by side. Ink Well and Sea Serpent 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

Living rooms test a color across a full range of conditions — morning sun, afternoon shade, and evening lamp light all shift how both of these read. In photos like these you're seeing the difference at its most direct. In a finished room, the distinction is there but not dramatic.

Ink WellDulux Ink Well living room paint review

@duluxuk...

Sea SerpentSea Serpent Living Room

@mybudgetrecipes

Dining Room

Dining room light is typically the warmest in the house, which shifts both colors toward the red end of the spectrum compared to daylight. At this scale the difference is subtle — you'd need them side by side, as shown here, to reliably tell them apart.

Ink WellDulux Ink Well dining room color

@duluxuk...

Sea SerpentSW Sea Serpent dining room color review

@thehouseonbarnlane

Kitchen Cabinets

On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The two are close enough that the choice comes down to finer qualities — undertone, texture, what the color sits next to.

Ink WellDulux Ink Well kitchen cabinets photo

@duluxuk...

Sea SerpentBlue cabinets Sherwin Williams Sea Serprent SW 7615 review

@refreshinglychic

Color Details

Ink Well
Dulux · 89BG 09/087
Hex#364A55
LRV9.0
BrandDulux
Number89BG 09/087
Undertone
TemperatureCool
BrightnessDark
Sea Serpent
Sherwin-Williams · 7615
Hex#3E4B54
LRV6.7
BrandSherwin-Williams
Number7615
Undertone
TemperatureCool
BrightnessDark

Ink Well vs Sea Serpent Simulated Comparison

5 simulated room previews — drag the slider on each to see Ink Well on one side and Sea Serpent 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 Ink Well comparisons

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

White Dove
Ink Well
White Dove
Benjamin Moore
White Dove
LRV 83

White Dove is the lighter choice

Ammonite
Ink Well
Ammonite
Farrow & Ball
Ammonite
LRV 69

Ammonite is the lighter choice

Iron Ore
Ink Well
Iron Ore
Sherwin-Williams
Iron Ore
LRV 6

Ink Well reads slightly lighter

Purbeck Stone
Ink Well
Purbeck Stone
Farrow & Ball
Purbeck Stone
LRV 52

Purbeck Stone is the lighter choice

Evergreen Fog
Ink Well
Evergreen Fog
Sherwin-Williams
Evergreen Fog
LRV 30

Evergreen Fog reads noticeably lighter

Mizzle
Ink Well
Mizzle
Farrow & Ball
Mizzle
LRV 52

Mizzle is the lighter choice

Agreeable Gray
Ink Well
Agreeable Gray
Sherwin-Williams
Agreeable Gray
LRV 60

Agreeable Gray is the lighter choice

Denim Drift
Ink Well
Denim Drift
Dulux
Denim Drift
LRV 27

Denim Drift reads noticeably lighter

Tranquil Dawn
Ink Well
Tranquil Dawn
Dulux
Tranquil Dawn
LRV 55

Tranquil Dawn is the lighter choice

Balboa Mist
Ink Well
Balboa Mist
Benjamin Moore
Balboa Mist
LRV 66

Balboa Mist is the lighter choice

Vintage Vogue
Ink Well
Vintage Vogue
Benjamin Moore
Vintage Vogue
LRV 12

Nearly identical in tone

Pale Green
Ink Well
Pale Green
RAL ClassicClassic
Pale Green
LRV 31

Pale Green reads noticeably lighter

Pine Needle
Ink Well
Pine Needle
Dulux
Pine Needle
LRV 7

Nearly identical in tone

Cement grey
Ink Well
Cement grey
RAL ClassicClassic
Cement grey
LRV 24

Cement grey reads noticeably lighter

Black grey
Ink Well
Black grey
RAL ClassicClassic
Black grey
LRV 6

Nearly identical in tone

Piazza
Ink Well
Piazza
Tikkurila
Piazza
LRV 65

Piazza is the lighter choice

Humble Yellow
Ink Well
Humble Yellow
Jotun
Humble Yellow
LRV 57

Humble Yellow is the lighter choice

Windmill Lane
Ink Well
Windmill Lane
Little Greene
Windmill Lane
LRV 31

Windmill Lane reads noticeably lighter

Senses
Ink Well
Senses
Jotun
Senses
LRV 41

Senses is the lighter choice

Lamp Black
Ink Well
Lamp Black
Little Greene
Lamp Black
LRV 3

Ink Well reads slightly lighter

Washed Linen
Ink Well
Washed Linen
Jotun
Washed Linen
LRV 55

Washed Linen is the lighter choice

Tea with Florence
Ink Well
Tea with Florence
Little Greene
Tea with Florence
LRV 18

Tea with Florence reads slightly lighter

Thames Fog
Ink Well
Thames Fog
Valspar
Thames Fog
LRV 27

Thames Fog reads noticeably lighter

Ocean Abyss
Ink Well
Ocean Abyss
Behr
Ocean Abyss
LRV 7

Nearly identical in tone

Classic Silver
Ink Well
Classic Silver
Behr
Classic Silver
LRV 48

Classic Silver is the lighter choice

Teton Blue
Ink Well
Teton Blue
Behr
Teton Blue
LRV 31

Teton Blue reads noticeably lighter

RAL 110-2
Ink Well
RAL 110-2
RAL EffectEffect
RAL 110-2
LRV 72

RAL 110-2 is the lighter choice

RAL 110-1
Ink Well
RAL 110-1
RAL EffectEffect
RAL 110-1
LRV 80

RAL 110-1 is the lighter choice

Paper
Ink Well
Paper
Tikkurila
Paper
LRV 88

Paper is the lighter choice

Passageway
Ink Well
Passageway
Valspar
Passageway
LRV 14

Passageway reads slightly lighter