GREYS

Cos

#8A8D84

RGB 138, 141, 132 · HSL 80°, 4%, 54% · CMYK 2, 0, 6, 45

Cos is #8A8D84 in HEX — rgb(138, 141, 132), hsl(80°, 4%, 54%), cmyk(2%, 0%, 6%, 45%).

Cos pulls into the mid-tone end of the greys spectrum — HSL 80°, 4%, 54%. 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#8A8D84

RGB138, 141, 132

HSL80°, 4%, 54%

HSV80°, 6%, 55%

CMYK2, 0, 6, 45

Decimal9080196

CSS RGBrgb(138, 141, 132)

CSS HSLhsl(80, 4%, 54%)

Paint Matches — this color across 16 brands

Benjamin Moore

Cos 1483

Exact match

Dulux

Ohai NZ9B9

ΔE 1.7 · #8B9188

Valspar

Lead Cast 5007-2B

ΔE 2.3 · #85877E

Behr

Woodcraft N200-5

ΔE 2.4 · #84887D

Kilz

Umber Stone RL170

ΔE 2.4 · #8B8F8A

Vista Paint

Slippery Shale K-843

ΔE 2.6 · #848882

Hallman-Lindsay

Dowager 442

ΔE 2.6 · #838C82

PPG

Gray Heron 1033-5

ΔE 2.8 · #89928A

Sherwin-Williams

Illusive Green SW9164

ΔE 3.1 · #92948D

RAL

Traffic Grey A 7042

ΔE 3.1 · #8D948D

Dunn-Edwards

Stone Creek DE6278

ΔE 3.2 · #8F9183

IKEA

IKEA180 180

ΔE 3.3 · #81857E

Colorhouse

Stone .07 Stone-07

ΔE 3.3 · #848A86

Dutch Boy

Smoky Gray VS-9305

ΔE 3.6 · #95958D

Farrow & Ball

Card Room Green 79

ΔE 3.8 · #899081

Kobra

Grey 42

ΔE 10.4 · #889099

Light Reflectance & Undertone

Light Reflectance Value (LRV)

26/100

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 MasstoneYellow-Green UndertoneYellow

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

Color Theory

Complementary

#8A8D84

#88858E

Analogous

#8E8D85

#8A8D84

#878E85

Triadic

#8A8D84

#858B8E

#8E858B

Split-Complementary

#8A8D84

#85878E

#8D858E

Tetradic

#8A8D84

#858E8D

#88858E

#8E8587

Monochromatic

#3E403B

#65675F

#8A8D84

#B1B3AD

#D7D8D5

Rectangle

#8A8D84

#858E88

#88858E

#8E858B

Compound

#8A8D84

#878E85

#88858E

#8D858E

Variations

Lighter

#A2A59D

#B9BBB6

#D6D7D5

Darker

#70736A

#4D4F48

#2D2E2A

Saturation

#8A8B88

#8B8E85

#9EC74D

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

3.37:1

AA Large

vs Black

6.22:1

Deuteranopia

#8A8D84

#8D8B85

Original → Simulated

Protanopia

#8A8D84

#8C8C85

Original → Simulated

Tritanopia

#8A8D84

#8B8C8C

Original → Simulated

Color Psychology

Quiet · Versatile

Cos 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

#A7967E

Warm Bulb 2700K

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

#8A8D84

Daylight 5500K

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

#949BA2

Cool Bulb 6500K

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

Pairs With

#EBEBEA

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.

#6B5892

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: #8A8D84;

CSS — background

background-color: #8A8D84;

CSS Variable

--color-cos: #8A8D84;

Tailwind v3 — config

colors: { 'cos': '#8A8D84' }

Tailwind — arbitrary

bg-[#8A8D84] text-[#8A8D84]

SCSS

$cos: #8A8D84;

Similar Colors

Cos Cob Stonewall

#898C83 · ΔE 0.4

Secret

#888983 · ΔE 2.3

Carolina Gull

#858D81 · ΔE 2.7

Desert Twilight

#8D8C7F · ΔE 2.8

Intrigue

#818981 · ΔE 2.8

Storm Cloud Gray

#919284 · ΔE 3.5

Duxbury Gray

#7F867F · ΔE 3.5

Chelsea Gray

#86847C · ΔE 3.7

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 #8A8D84?

#8A8D84 is Cos, a mid-tone grey with a cool undertone.

Is #8A8D84 warm or cool?

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

What rooms work best with Cos?

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

What colors pair well with Cos?

Cos 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 Cos?

You can download Cos 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 Cos?

The hex code is #8A8D84. In RGB it's 138, 141, 132, and in HSL it's 80°, 4%, 54%.

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