GREYS

Castle

#918A81

RGB 145, 138, 129 · HSL 34°, 7%, 54% · CMYK 0, 5, 11, 43

Castle is #918A81 in HEX — rgb(145, 138, 129), hsl(34°, 7%, 54%), cmyk(0%, 5%, 11%, 43%).

Castle pulls into the mid-tone end of the greys spectrum — HSL 34°, 7%, 54%. 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#918A81

RGB145, 138, 129

HSL34°, 7%, 54%

HSV34°, 11%, 57%

CMYK0, 5, 11, 43

Decimal9538177

CSS RGBrgb(145, 138, 129)

CSS HSLhsl(34, 7%, 54%)

Paint Matches — this color across 16 brands

Benjamin Moore

Castle CSP-75

Exact match

Vista Paint

Sultry Castle C-561

ΔE 0.7 · #928B81

Dulux

Gunmetal Beige S10A4

ΔE 1.2 · #908982

Hallman-Lindsay

Sultry Castle 562

ΔE 1.2 · #948D84

Sherwin-Williams

Dovetail SW7018

ΔE 1.2 · #908A83

Valspar

Artichoke 6003-2A

ΔE 1.7 · #928D82

Kilz

Willow Branch LL170

ΔE 1.7 · #948981

Behr

Pavement Gray MQ6-25

ΔE 2 · #8C887D

PPG

Winter Feather 14-06

ΔE 2.2 · #948E82

Farrow & Ball

Mole's Breath 276

ΔE 2.6 · #8B857F

Dutch Boy

Camel's Hump DCP-0219

ΔE 2.7 · #989187

RAL

Pearl Mouse Grey 7048

ΔE 3.7 · #898176

IKEA

IKEA198 198

ΔE 4.1 · #89807A

Dunn-Edwards

Fallen Rock DE6389

ΔE 4.3 · #8E8583

Colorhouse

Stone .07 Stone-07

ΔE 6 · #848A86

Kobra

Grey 42

ΔE 11.8 · #889099

Light Reflectance & Undertone

Light Reflectance Value (LRV)

26/100

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

#918A81

#818992

Analogous

#928381

#918A81

#919281

Triadic

#918A81

#81928B

#8B8192

Split-Complementary

#918A81

#819192

#838192

Tetradic

#918A81

#819283

#818992

#928191

Monochromatic

#413E39

#6A645C

#918A81

#B5B1AA

#D9D7D3

Rectangle

#918A81

#899281

#818992

#8B8192

Compound

#918A81

#919281

#818992

#838192

Variations

Lighter

#A8A29B

#BDB9B4

#D8D6D4

Darker

#766F66

#524D46

#302D29

Saturation

#8C8A87

#928B81

#C8924B

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

3.41:1

AA Large

vs Black

6.16:1

Deuteranopia

#918A81

#8E8C82

Original → Simulated

Protanopia

#918A81

#8B8B82

Original → Simulated

Tritanopia

#918A81

#91898A

Original → Simulated

Color Psychology

Quiet · Versatile

Castle 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

#AC947C

Warm Bulb 2700K

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

#918A81

Daylight 5500K

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

#9999A0

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.

#587192

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: #918A81;

CSS — background

background-color: #918A81;

CSS Variable

--color-castle: #918A81;

Tailwind v3 — config

colors: { 'castle': '#918A81' }

Tailwind — arbitrary

bg-[#918A81] text-[#918A81]

SCSS

$castle: #918A81;

Similar Colors

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#908980 · ΔE 0.4

Metropolis

#8B847C · ΔE 2.4

Taos Taupe

#8C847A · ΔE 2.4

Smoked Truffle

#8E897C · ΔE 2.5

Cathedral Gray

#938A7C · ΔE 3.0

Squirrel Tail

#8D887A · ΔE 3.1

Desert Twilight

#8D8C7F · ΔE 3.3

Tweed Coat

#878279 · ΔE 3.4

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 #918A81?

#918A81 is Castle, a mid-tone grey with a cool undertone.

Is #918A81 warm or cool?

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

What rooms work best with Castle?

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

What colors pair well with Castle?

Castle 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 Castle?

You can download Castle 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 Castle?

The hex code is #918A81. In RGB it's 145, 138, 129, and in HSL it's 34°, 7%, 54%.

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