GREYS

Mountain Smoke

#87837B

RGB 135, 131, 123 · HSL 40°, 5%, 51% · CMYK 0, 3, 9, 47

Mountain Smoke is #87837B in HEX — rgb(135, 131, 123), hsl(40°, 5%, 51%), cmyk(0%, 3%, 9%, 47%).

Mountain Smoke pulls into the mid-tone end of the greys spectrum — HSL 40°, 5%, 51%. 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#87837B

RGB135, 131, 123

HSL40°, 5%, 51%

HSV40°, 9%, 53%

CMYK0, 3, 9, 47

Decimal8881019

CSS RGBrgb(135, 131, 123)

CSS HSLhsl(40, 5%, 51%)

Paint Matches — this color across 16 brands

Valspar

Mountain Smoke 6004-2B

Exact match

Benjamin Moore

Tweed CSP-85

ΔE 0.7 · #88837A

Hallman-Lindsay

Greystoke 575

ΔE 0.8 · #88857D

Behr

Pier PPU8-22

ΔE 1.2 · #87857E

PPG

So Sublime 1006-5

ΔE 1.4 · #8B847C

Vista Paint

Greystoke C-574

ΔE 1.4 · #88867D

Farrow & Ball

Mole's Breath 276

ΔE 1.7 · #8B857F

Dulux

Whakarewarewa NZ9C8

ΔE 2 · #898781

IKEA

IKEA198 198

ΔE 2.4 · #89807A

RAL

Pearl Mouse Grey 7048

ΔE 2.5 · #898176

Sherwin-Williams

Classic French Gray SW0077

ΔE 2.5 · #888782

Kilz

Wildwood RL250

ΔE 3 · #817D72

Dunn-Edwards

Fallen Rock DE6389

ΔE 4.2 · #8E8583

Colorhouse

Stone .07 Stone-07

ΔE 5 · #848A86

Dutch Boy

Natural Gray VS-9332

ΔE 5.1 · #878787

Kobra

Grey 42

ΔE 11.6 · #889099

Light Reflectance & Undertone

Light Reflectance Value (LRV)

23/100

Dark

0 · DarkLight · 100

Soaks up light and feels moody and intimate. Great for studies, dining rooms and accent walls; pair with ample lighting.

Undertone

TemperatureNeutral MasstoneOrange 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

#87837B

#7C8088

Analogous

#887E7C

#87837B

#86887C

Triadic

#87837B

#7C8884

#847C88

Split-Complementary

#87837B

#7C8688

#7E7C88

Tetradic

#87837B

#7C887E

#7C8088

#887C86

Monochromatic

#383633

#605D57

#87837B

#ADAAA4

#D1CFCC

Rectangle

#87837B

#80887C

#7C8088

#847C88

Compound

#87837B

#86887C

#7C8088

#7E7C88

Variations

Lighter

#A09D96

#B7B5B1

#D5D4D2

Darker

#6E6A63

#4B4944

#2C2A27

Saturation

#848380

#88847C

#C49840

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

3.78:1

AA Large

vs Black

5.56:1

Deuteranopia

#87837B

#86847C

Original → Simulated

Protanopia

#87837B

#84847C

Original → Simulated

Tritanopia

#87837B

#878283

Original → Simulated

Color Psychology

Quiet · Versatile

Mountain Smoke 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

#A58F77

Warm Bulb 2700K

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

#87837B

Daylight 5500K

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

#92949C

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.

#53658A

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: #87837B;

CSS — background

background-color: #87837B;

CSS Variable

--color-mountain-smoke: #87837B;

Tailwind v3 — config

colors: { 'mountain-smoke': '#87837B' }

Tailwind — arbitrary

bg-[#87837B] text-[#87837B]

SCSS

$mountain-smoke: #87837B;

Similar Colors

Tweed Coat

#878279 · ΔE 0.8

Chelsea Gray

#86847C · ΔE 0.8

Metropolis

#8B847C · ΔE 1.4

Dolphin

#85837D · ΔE 1.4

Taos Taupe

#8C847A · ΔE 2.1

Barnwood

#827E78 · ΔE 2.2

Gotham

#877E78 · ΔE 2.8

Geddy Gray

#7F807A · ΔE 2.8

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 #87837B?

#87837B is Mountain Smoke, a mid-tone grey with a cool undertone.

Is #87837B warm or cool?

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

What rooms work best with Mountain Smoke?

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

What colors pair well with Mountain Smoke?

Mountain Smoke 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 Mountain Smoke?

You can download Mountain Smoke 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 Mountain Smoke?

The hex code is #87837B. In RGB it's 135, 131, 123, and in HSL it's 40°, 5%, 51%.

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