NEUTRALS

Charcoal

#566466

RGB 86, 100, 102 · HSL 188°, 9%, 37% · CMYK 16, 2, 0, 60

Charcoal is #566466 in HEX — rgb(86, 100, 102), hsl(188°, 9%, 37%), cmyk(16%, 2%, 0%, 60%).

Charcoal pulls into the rich end of the neutrals spectrum — HSL 188°, 9%, 37%. 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#566466

RGB86, 100, 102

HSL188°, 9%, 37%

HSV188°, 16%, 40%

CMYK16, 2, 0, 60

Decimal5661798

CSS RGBrgb(86, 100, 102)

CSS HSLhsl(188, 9%, 37%)

Paint Matches — this color across 16 brands

Kilz

Charcoal RM150

Exact match

Farrow & Ball

Inchyra Blue 289

ΔE 1.3 · #586768

Vista Paint

Spacebox C-492

ΔE 2.1 · #5B696A

Behr

Underwater PPU12-20

ΔE 2.5 · #4E6163

Sherwin-Williams

Grays Harbor SW6236

ΔE 2.5 · #596368

Benjamin Moore

Nocturnal 2135-30

ΔE 2.6 · #56666C

Valspar

Cobalt Cannon 5001-2C

ΔE 2.6 · #596164

Dunn-Edwards

Soot DE6321

ΔE 2.9 · #555E5F

Hallman-Lindsay

Spacebox 493

ΔE 3 · #5C6B6B

PPG

Mysterious 1037-6

ΔE 3.1 · #535E63

Dulux

Wellington S29A7

ΔE 3.1 · #4F6464

IKEA

IKEA188 188

ΔE 6.1 · #646462

RAL

Basalt Grey 7012

ΔE 6.3 · #4E5754

Colorhouse

Metal .05 Metal-05

ΔE 7 · #535654

Dutch Boy

Seal of Grey VS-9301

ΔE 7.1 · #575757

Kobra

Green 38

ΔE 11.9 · #415448

Light Reflectance & Undertone

Light Reflectance Value (LRV)

12/100

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

TemperatureCool MasstoneTeal UndertoneGreen

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

Color Theory

Complementary

#566466

#675856

Analogous

#566761

#566466

#565C67

Triadic

#566466

#675665

#656756

Split-Complementary

#566466

#67565C

#676156

Tetradic

#566466

#615667

#675856

#5C6756

Monochromatic

#101313

#333C3D

#566466

#7A8D90

#A3B0B2

Rectangle

#566466

#585667

#675856

#656756

Compound

#566466

#565C67

#675856

#676156

Variations

Lighter

#73878A

#97A4A6

#C3C9CA

Darker

#445153

#2F3839

#1B2021

Saturation

#5C6061

#566567

#2B8492

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

6.16:1

vs Black

3.41:1

AA Large

Deuteranopia

#566466

#5E6067

Original → Simulated

Protanopia

#566466

#626266

Original → Simulated

Tritanopia

#566466

#566463

Original → Simulated

Color Psychology

Quiet · Versatile

Charcoal 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

#807868

Warm Bulb 2700K

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

#566466

Daylight 5500K

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

#6D7D8C

Cool Bulb 6500K

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

Pairs With

#EAEBEB

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.

#64413C

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: #566466;

CSS — background

background-color: #566466;

CSS Variable

--color-charcoal: #566466;

Tailwind v3 — config

colors: { 'charcoal': '#566466' }

Tailwind — arbitrary

bg-[#566466] text-[#566466]

SCSS

$charcoal: #566466;

Similar Colors

Nocturnal Gray

#55656B · ΔE 2.5

Knoxville Gray

#5E6C6C · ΔE 3.4

Powell Gray

#5A656C · ΔE 3.4

Bracken Slate

#5E6363 · ΔE 3.7

Ocean Floor

#5F666C · ΔE 4.0

Flint

#565C5E · ΔE 4.1

Anchor Gray

#5C6167 · ΔE 4.4

Stormy Sky

#626568 · 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 #566466?

#566466 is Charcoal, a deep neutral with a cool undertone.

Is #566466 warm or cool?

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

What rooms work best with Charcoal?

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

What colors pair well with Charcoal?

Charcoal 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 Charcoal?

You can download Charcoal 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 Charcoal?

The hex code is #566466. In RGB it's 86, 100, 102, and in HSL it's 188°, 9%, 37%.

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