GREYS

Sea

#8C9591

RGB 140, 149, 145 · HSL 153°, 4%, 57% · CMYK 6, 0, 3, 42

Sea is #8C9591 in HEX — rgb(140, 149, 145), hsl(153°, 4%, 57%), cmyk(6%, 0%, 3%, 42%).

Sea pulls into the mid-tone end of the greys spectrum — HSL 153°, 4%, 57%. The neutral saturation makes it near-neutral and forgiving, and the hue reads cool. In interior projects it shines on walls, soft furniture, hard surfaces — as the project's quiet backbone. Reads best alongside white trim, natural wood, brass, soft black accents.

Color Codes

HEX#8C9591

RGB140, 149, 145

HSL153°, 4%, 57%

HSV153°, 6%, 58%

CMYK6, 0, 3, 42

Decimal9213329

CSS RGBrgb(140, 149, 145)

CSS HSLhsl(153, 4%, 57%)

Paint Matches — this color across 16 brands

Benjamin Moore

Sea AC-17

Exact match

Dulux

Rangitikei River Half NZ9A8

ΔE 1.3 · #8A9593

RAL

Traffic Grey A 7042

ΔE 1.9 · #8D948D

Valspar

Beguile 5002-2A

ΔE 2 · #86908C

Vista Paint

Singing in the Rain C-477

ΔE 2.5 · #8C9A95

PPG

Gray Heron 1033-5

ΔE 2.6 · #89928A

Sherwin-Williams

Tin Lizzie SW9163

ΔE 2.7 · #939591

Kilz

Umber Stone RL170

ΔE 2.8 · #8B8F8A

Hallman-Lindsay

Singing In The Rain 478

ΔE 2.9 · #8E9C98

Behr

Millennium Silver HDC-NT-27

ΔE 3.4 · #8C9597

Dunn-Edwards

Light Gray DEC789

ΔE 3.6 · #979D9A

Farrow & Ball

Oval Room Blue 85

ΔE 4.2 · #8B9D9B

Dutch Boy

Smoky Gray VS-9305

ΔE 4.2 · #95958D

Colorhouse

Stone .07 Stone-07

ΔE 4.2 · #848A86

IKEA

IKEA194 194

ΔE 5 · #9A9E95

Kobra

Grey 42

ΔE 7.5 · #889099

Light Reflectance & Undertone

Light Reflectance Value (LRV)

29/100

Medium

0 · DarkLight · 100

Balanced reflectance — holds colour without washing out. Versatile for most rooms and the most forgiving range for true-to-chip results.

Undertone

TemperatureNeutral MasstoneTeal UndertoneGreen

A near-neutral with a subtle neutral green undertone — it will pick up colour from surrounding surfaces and shift noticeably under different light.

Color Theory

Complementary

#8C9591

#968D91

Analogous

#8D968D

#8C9591

#8D9596

Triadic

#8C9591

#928D96

#96928D

Split-Complementary

#8C9591

#968D95

#968D8D

Tetradic

#8C9591

#8D8D96

#968D91

#95968D

Monochromatic

#424845

#676F6C

#8C9591

#B5BAB8

#DDDFDE

Rectangle

#8C9591

#8D9196

#968D91

#96928D

Compound

#8C9591

#8D9596

#968D91

#968D8D

Variations

Lighter

#A4ABA8

#BBBFBD

#D8DAD9

Darker

#6F7975

#4C5350

#2C312F

Saturation

#909391

#8D9692

#58CA97

Interior Use

Best Rooms

living rooms, bedrooms, bathrooms

Best Uses

walls, soft furniture, hard surfaces

Pairs With

white trim, natural wood, brass, soft black accents

Accessibility (WCAG)

vs White

3.08:1

AA Large

vs Black

6.82:1

Deuteranopia

#8C9591

#929292

Original → Simulated

Protanopia

#8C9591

#949492

Original → Simulated

Tritanopia

#8C9591

#8D9494

Original → Simulated

Color Psychology

Quiet · Versatile

Sea gets out of the way so the architecture and the people in the room do the work. The right neutral is never a default — it reads warm or cool, dusty or sharp depending on its undertone, and that undertone is what makes or breaks the room.

SymbolismBalance, sophistication, calm

PersonalityAdaptable, considered, timeless

versatileneutraltimelessbackdroptrimwall

How it looks under different light

#A89C88

Warm Bulb 2700K

Incandescent / soft white LED — pulls colour toward yellow/amber.

#8C9591

Daylight 5500K

Midday natural light or daylight-spec LED — closest to the paint chip.

#96A1AC

Cool Bulb 6500K

Cool white LED / overcast daylight — pulls colour toward blue.

Pairs With

#EAEBEB

Trim

Matched off-white

Same hue at 92% lightness — trim reads coordinated, not stark.

#F7F7F7

Ceiling

Whisper tint

Near-white with a hint of the hero's undertone — ceiling feels intentional.

#9A5D78

Accent

Complementary punch

Hue +180°, slightly muted for paint vs. screen — use on a door, frame, or single piece.

#574738

Floor

Walnut neutral

Warm mid-brown grounds the scheme regardless of hero hue.

Paint Info

Brand · Product Line

Benjamin Moore / Regal Select Interior

Recommended Finishes

Eggshell (walls) · Pearl (trim) · Matte (ceiling)

Eggshell hides imperfections on main walls while keeping the color rich; pearl on trim adds subtle sheen and easier cleaning; flat matte on ceilings prevents glare.

Best Surfaces

Primary walls · Cabinetry · Trim · Soft furniture

Coverage & Dry Time

Typical coverage 350-400 sq ft per gallon over a primed surface.

Touch-dry in ~1 hour. Recoat after 4 hours. Full cure 7-14 days.

Primer

Standard primer is adequate.

Application Tip

Use a 9" microfiber roller on walls and a 2.5" angled sash brush for trim cuts. Two coats minimum for even depth.

Paint Calculator

Wall area (m²)

Coats

Coverage (m² / L)

You'll need

4.0 litres

1.06 US gallons · room for one touch-up coat. Buy slightly more to ensure single-batch match.

Code Snippets

CSS — color

color: #8C9591;

CSS — background

background-color: #8C9591;

CSS Variable

--color-sea: #8C9591;

Tailwind v3 — config

colors: { 'sea': '#8C9591' }

Tailwind — arbitrary

bg-[#8C9591] text-[#8C9591]

SCSS

$sea: #8C9591;

Similar Colors

Sea Pine

#8B9490 · ΔE 0.4

Rainstorm

#929591 · ΔE 2.3

Brewster Gray

#8A9696 · ΔE 2.5

Gibraltar Cliffs

#8F9999 · ΔE 2.8

Rushing River

#8B978E · ΔE 3.1

Wall Street

#929392 · ΔE 3.5

Tucker Gray

#909698 · ΔE 3.7

Sea Glass

#919E97 · ΔE 3.8

Built by DSGN.HOUSE Updated 2026

Our color tools run on our own catalogue of 26,000+ real paint colors across 16 brands — Benjamin Moore, Sherwin-Williams, Behr, Dulux, RAL and more — with the color math (HSL and CIELAB matching) computed in-house, not scraped from summaries. Every color you pick maps to a real, buyable paint with its code, so what you see here you can actually take to the store. We review and update these tools and their data regularly.

Created by Denis Kataev, founder of DSGN.HOUSE — a software engineer and digital entrepreneur building professional color-design tools for everyone.

Frequently Asked Questions

What color is #8C9591?

#8C9591 is Sea, a mid-tone grey with a cool undertone.

Is #8C9591 warm or cool?

Sea reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Sea?

Sea works well in living rooms, bedrooms, bathrooms. Designers typically use it for walls, soft furniture, hard surfaces.

What colors pair well with Sea?

Sea pairs naturally with white trim, natural wood, brass, soft black accents. Its complementary color is also a strong contrast option for accents.

Where can I download Sea?

You can download Sea on DSGN.HOUSE in 15 designer formats including CSS gradient, Figma, Procreate swatches, Tailwind config, Adobe ASE, SVG, and 4K wallpapers — all free.

What's the hex code for Sea?

The hex code is #8C9591. In RGB it's 140, 149, 145, and in HSL it's 153°, 4%, 57%.

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