NEUTRALS

Shell Brown

#56564B

RGB 86, 86, 75 · HSL 60°, 7%, 32% · CMYK 0, 0, 13, 66

Shell Brown is #56564B in HEX — rgb(86, 86, 75), hsl(60°, 7%, 32%), cmyk(0%, 0%, 13%, 66%).

Shell Brown pulls into the rich end of the neutrals spectrum — HSL 60°, 7%, 32%. 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#56564B

RGB86, 86, 75

HSL60°, 7%, 32%

HSV60°, 13%, 34%

CMYK0, 0, 13, 66

Decimal5658187

CSS RGBrgb(86, 86, 75)

CSS HSLhsl(60, 7%, 32%)

Paint Matches — this color across 16 brands

Benjamin Moore

Tuscany 2140-20

ΔE 1.3 · #555548

Sherwin-Williams

Roycroft Bronze Green SW2846

ΔE 1.5 · #575449

PPG

Osiris 1031-7

ΔE 2.1 · #5B5A4D

Behr

Windgate Hill MQ6-24

ΔE 2.2 · #5C584E

Dulux

Mountain Camp S18B8

ΔE 2.6 · #585647

Valspar

Dark Oasis 6011-4

ΔE 2.7 · #535149

Hallman-Lindsay

Sturgis Gray historic-sturgis-gray

ΔE 2.8 · #57544D

Vista Paint

Sturgis Gray C-1435

ΔE 3.2 · #57554F

Dunn-Edwards

Midnight Spruce DE6294

ΔE 3.6 · #555B53

Kobra

Green 37

ΔE 3.7 · #515545

RAL

Tarpaulin Grey 7010

ΔE 4.1 · #4C514A

Kilz

Dark Umber RM190

ΔE 4.7 · #605F58

Colorhouse

Metal .05 Metal-05

ΔE 5.7 · #535654

IKEA

IKEA138 138

ΔE 6 · #645850

Dutch Boy

Ashton Grey VS-9303

ΔE 6.6 · #66665A

Farrow & Ball

Studio Green 93

ΔE 7.2 · #464C49

Light Reflectance & Undertone

Light Reflectance Value (LRV)

9/100

Very Dark

0 · DarkLight · 100

Absorbs almost all light — dramatic and cocooning. Needs strong artificial lighting and works best as an accent or in well-lit rooms.

Undertone

TemperatureNeutral MasstoneYellow 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

#56564B

#4C4C57

Analogous

#57524C

#56564B

#52574C

Triadic

#56564B

#4C5757

#574C57

Split-Complementary

#56564B

#4C5257

#524C57

Tetradic

#56564B

#4C5752

#4C4C57

#574C52

Monochromatic

#0E0E0C

#2E2E28

#56564B

#80806F

#A5A597

Rectangle

#56564B

#4C574C

#4C4C57

#574C57

Compound

#56564B

#52574C

#4C4C57

#524C57

Variations

Lighter

#7C7C6C

#9D9D91

#C5C5BF

Darker

#46463C

#303029

#1C1C18

Saturation

#535350

#57574C

#7D7D26

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

7.42:1

AAA

vs Black

2.83:1

Fail

Deuteranopia

#56564B

#58554B

Original → Simulated

Protanopia

#56564B

#56564D

Original → Simulated

Tritanopia

#56564B

#575455

Original → Simulated

Color Psychology

Quiet · Versatile

Shell Brown 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

#806D53

Warm Bulb 2700K

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

#56564B

Daylight 5500K

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

#6D7278

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.

#343457

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 · Doors · Mouldings

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: #56564B;

CSS — background

background-color: #56564B;

CSS Variable

--color-shell-brown: #56564B;

Tailwind v3 — config

colors: { 'shell-brown': '#56564B' }

Tailwind — arbitrary

bg-[#56564B] text-[#56564B]

SCSS

$shell-brown: #56564B;

Similar Colors

Randolph Gray

#58584E · ΔE 1.1

Tuscany Green

#545447 · ΔE 1.5

Aegean Olive

#5D594C · ΔE 2.7

Ashwood Moss

#565851 · ΔE 2.7

Tavern Charcoal

#524F44 · ΔE 3.0

Dakota Woods Green

#565344 · ΔE 3.1

Dragon's Breath

#55514A · ΔE 3.4

Green Grove

#555042 · 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 #56564B?

#56564B is Shell Brown, a deep neutral with a cool undertone.

Is #56564B warm or cool?

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

What rooms work best with Shell Brown?

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

What colors pair well with Shell Brown?

Shell Brown 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 Shell Brown?

You can download Shell Brown 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 Shell Brown?

The hex code is #56564B. In RGB it's 86, 86, 75, and in HSL it's 60°, 7%, 32%.

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