NEUTRALS

Mountain Boulder

#BFB8B5

RGB 191, 184, 181 · HSL 18°, 7%, 73% · CMYK 0, 4, 5, 25

Mountain Boulder is #BFB8B5 in HEX — rgb(191, 184, 181), hsl(18°, 7%, 73%), cmyk(0%, 4%, 5%, 25%).

Mountain Boulder pulls into the light end of the neutrals spectrum — HSL 18°, 7%, 73%. The neutral saturation makes it near-neutral and forgiving, and the hue reads cool. In interior projects it shines on main walls, trims, ceilings — versatile across nearly any style. Reads best alongside soft whites, natural wood, matte black trim, linen.

Color Codes

HEX#BFB8B5

RGB191, 184, 181

HSL18°, 7%, 73%

HSV18°, 5%, 75%

CMYK0, 4, 5, 25

Decimal12564661

CSS RGBrgb(191, 184, 181)

CSS HSLhsl(18, 7%, 73%)

Paint Matches — this color across 16 brands

Dulux

Painted Desert S06A2

ΔE 0.7 · #BEB8B6

Vista Paint

North Island C-551

ΔE 0.9 · #BDB6B2

Hallman-Lindsay

North Island 552

ΔE 1 · #BCB6B4

Sherwin-Williams

Essential Gray SW6002

ΔE 1.3 · #BCB8B6

Kilz

Always Taupe RK170

ΔE 1.7 · #BEB4B1

PPG

Gray Marble 1002-4

ΔE 1.8 · #B9B4B1

Valspar

Winter Calm 4001-1B

ΔE 1.8 · #BBB4B3

Dunn-Edwards

Chocolate Milk DE6059

ΔE 2.3 · #C5B9B4

Benjamin Moore

Nightingale AF-670

ΔE 2.4 · #B7B5B3

Behr

Sonic Silver HDC-MD-26

ΔE 2.4 · #B8B7B4

Farrow & Ball

Dove Tale 267

ΔE 3.1 · #BBB1AB

IKEA

IKEA187 187

ΔE 4.1 · #BEBFB8

Dutch Boy

Drifting Sand DCP-0218

ΔE 4.3 · #B6B2A9

Colorhouse

Metal .03 Metal-03

ΔE 4.4 · #B5B8B1

RAL

Agate Grey 7038

ΔE 4.7 · #C3C3C3

Kobra

Silver 47

ΔE 8.1 · #CDCECD

Light Reflectance & Undertone

Light Reflectance Value (LRV)

49/100

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 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

#BFB8B5

#B5BCBF

Analogous

#BFB5B7

#BFB8B5

#BFBDB5

Triadic

#BFB8B5

#B5BFB8

#B8B5BF

Split-Complementary

#BFB8B5

#B5BFBD

#B5B7BF

Tetradic

#BFB8B5

#B7BFB5

#B5BCBF

#BDB5BF

Monochromatic

#756B66

#9B918C

#BFB8B5

#E3E0DE

#F3F2F1

Rectangle

#BFB8B5

#BCBFB5

#B5BCBF

#B8B5BF

Compound

#BFB8B5

#BFBDB5

#B5BCBF

#B5B7BF

Variations

Lighter

#CCC6C4

#D8D5D3

#E8E6E6

Darker

#9D928D

#6E635E

#403A37

Saturation

#BCBAB9

#BFB8B5

#DFAB95

Interior Use

Best Rooms

living rooms, bedrooms, kitchens

Best Uses

main walls, trim, accents

Pairs With

soft whites, natural wood, brass, matte black trim

Accessibility (WCAG)

vs White

1.96:1

Fail

vs Black

10.74:1

AAA

Deuteranopia

#BFB8B5

#BBBAB6

Original → Simulated

Protanopia

#BFB8B5

#B9B9B5

Original → Simulated

Tritanopia

#BFB8B5

#BFB8B8

Original → Simulated

Color Psychology

Quiet · Versatile

Mountain Boulder 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

#CFB7A3

Warm Bulb 2700K

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

#BFB8B5

Daylight 5500K

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

#BCBCC7

Cool Bulb 6500K

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

Pairs With

#EBEAEA

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.

#86A8B6

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: #BFB8B5;

CSS — background

background-color: #BFB8B5;

CSS Variable

--color-mountain-boulder: #BFB8B5;

Tailwind v3 — config

colors: { 'mountain-boulder': '#BFB8B5' }

Tailwind — arbitrary

bg-[#BFB8B5] text-[#BFB8B5]

SCSS

$mountain-boulder: #BFB8B5;

Similar Colors

Through the Looking Glass

#C0BCBC · ΔE 2.4

Nightingale

#B6B4B2 · ΔE 2.7

Smoke Embers

#C1BFBA · ΔE 3.0

San Antonio Gray

#B4B2AE · ΔE 3.3

Coventry Gray

#B8BAB6 · ΔE 3.4

La Paloma Gray

#B8B4AC · ΔE 3.5

Victorian Mauve

#C2B5B7 · ΔE 3.5

Silver Dollar

#B3B1B0 · ΔE 3.6

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 #BFB8B5?

#BFB8B5 is Mountain Boulder, a soft neutral with a cool undertone.

Is #BFB8B5 warm or cool?

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

What rooms work best with Mountain Boulder?

Mountain Boulder works well in living rooms, bedrooms, kitchens. Designers typically use it for main walls, trim, accents.

What colors pair well with Mountain Boulder?

Mountain Boulder pairs naturally with soft whites, natural wood, brass, matte black trim. Its complementary color is also a strong contrast option for accents.

Where can I download Mountain Boulder?

You can download Mountain Boulder 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 Boulder?

The hex code is #BFB8B5. In RGB it's 191, 184, 181, and in HSL it's 18°, 7%, 73%.

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