NEUTRALS

Concrete Grey

#686C5E

RGB 104, 108, 94 · HSL 77°, 7%, 40% · CMYK 4, 0, 13, 58

Concrete Grey is #686C5E in HEX — rgb(104, 108, 94), hsl(77°, 7%, 40%), cmyk(4%, 0%, 13%, 58%).

Concrete Grey pulls into the rich end of the neutrals spectrum — HSL 77°, 7%, 40%. 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#686C5E

RGB104, 108, 94

HSL77°, 7%, 40%

HSV77°, 13%, 42%

CMYK4, 0, 13, 58

Decimal6843486

CSS RGBrgb(104, 108, 94)

CSS HSLhsl(77, 7%, 40%)

Paint Matches — this color across 16 brands

RAL

Concrete Grey 7023

Exact match

Sherwin-Williams

Rosemary SW6187

ΔE 1.5 · #64695C

Hallman-Lindsay

River God 450

ΔE 1.8 · #6C6C5F

Valspar

Cosmopolitan Olive 5008-2C

ΔE 2.1 · #6B6B5F

Vista Paint

Eye of the Storm C-422

ΔE 2.2 · #686859

Dulux

Currency Creek SG5F6

ΔE 2.2 · #6D7064

Benjamin Moore

Sharkskin 2139-30

ΔE 2.3 · #6E6D5F

PPG

Double Duty 1030-7

ΔE 2.5 · #686858

Dunn-Edwards

Green Gate DE6273

ΔE 2.8 · #676957

Dutch Boy

Ashton Grey VS-9303

ΔE 2.9 · #66665A

Behr

Gray Owl BNC-37

ΔE 2.9 · #646C62

Kilz

Royal Ivy TB-79

ΔE 3.1 · #70705F

IKEA

IKEA148 148

ΔE 5.6 · #676450

Colorhouse

Stone .06 Stone-06

ΔE 5.8 · #746D5A

Farrow & Ball

Green Smoke 47

ΔE 6.5 · #737C70

Kobra

Green 37

ΔE 9.7 · #515545

Light Reflectance & Undertone

Light Reflectance Value (LRV)

14/100

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 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

#686C5E

#635F6D

Analogous

#6D6A5F

#686C5E

#626D5F

Triadic

#686C5E

#5F696D

#6D5F69

Split-Complementary

#686C5E

#5F626D

#6A5F6D

Tetradic

#686C5E

#5F6D6A

#635F6D

#6D5F62

Monochromatic

#1A1B18

#42443B

#686C5E

#909484

#B5B8AD

Rectangle

#686C5E

#5F6D63

#635F6D

#6D5F69

Compound

#686C5E

#626D5F

#635F6D

#6A5F6D

Variations

Lighter

#888D7C

#A6A99E

#CBCCC7

Darker

#54584C

#3A3C34

#22231E

Saturation

#676864

#696D5F

#7E9D2F

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

5.39:1

vs Black

3.90:1

AA Large

Deuteranopia

#686C5E

#6C695F

Original → Simulated

Protanopia

#686C5E

#6B6B60

Original → Simulated

Tritanopia

#686C5E

#696A6B

Original → Simulated

Color Psychology

Quiet · Versatile

Concrete Grey 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

#8D7E62

Warm Bulb 2700K

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

#686C5E

Daylight 5500K

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

#7B8386

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.

#4D416C

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: #686C5E;

CSS — background

background-color: #686C5E;

CSS Variable

--color-concrete-grey: #686C5E;

Tailwind v3 — config

colors: { 'concrete-grey': '#686C5E' }

Tailwind — arbitrary

bg-[#686C5E] text-[#686C5E]

SCSS

$concrete-grey: #686C5E;

Similar Colors

Sharkskin

#6D6C5E · ΔE 2.2

Rainy Afternoon

#646B61 · ΔE 2.7

Castle Peak Gray

#696757 · ΔE 3.3

Dark Olive

#616253 · ΔE 4.1

Army Green

#6A6855 · ΔE 4.2

Country Life

#6E6958 · ΔE 4.4

Enchanted Forest

#606E63 · ΔE 4.4

Forest Floor

#626451 · ΔE 4.6

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 #686C5E?

#686C5E is Concrete Grey, a mid-tone neutral with a cool undertone.

Is #686C5E warm or cool?

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

What rooms work best with Concrete Grey?

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

What colors pair well with Concrete Grey?

Concrete Grey 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 Concrete Grey?

You can download Concrete Grey 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 Concrete Grey?

The hex code is #686C5E. In RGB it's 104, 108, 94, and in HSL it's 77°, 7%, 40%.

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