GREYS

Prehistoric Stone

#9AA0A3

RGB 154, 160, 163 · HSL 200°, 5%, 62% · CMYK 6, 2, 0, 36

Prehistoric Stone is #9AA0A3 in HEX — rgb(154, 160, 163), hsl(200°, 5%, 62%), cmyk(6%, 2%, 0%, 36%).

Prehistoric Stone pulls into the light end of the greys spectrum — HSL 200°, 5%, 62%. 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#9AA0A3

RGB154, 160, 163

HSL200°, 5%, 62%

HSV200°, 6%, 64%

CMYK6, 2, 0, 36

Decimal10133667

CSS RGBrgb(154, 160, 163)

CSS HSLhsl(200, 5%, 62%)

Paint Matches — this color across 16 brands

Benjamin Moore

Delray 1614

ΔE 0.4 · #9BA0A3

Valspar

Drizzling Mist 4006-1C

ΔE 0.7 · #9BA0A4

Behr

Silent Film MQ5-30

ΔE 0.7 · #9BA1A3

PPG

Ufo 1011-4

ΔE 0.8 · #989FA3

Vista Paint

Metropolis Mood C-525

ΔE 0.8 · #9BA2A5

Hallman-Lindsay

Metropolis Mood 526

ΔE 0.9 · #99A1A5

Dulux

Endless Dusk SN4G3

ΔE 1.3 · #9B9EA0

Dunn-Edwards

Gray Wolf DE6354

ΔE 1.9 · #9CA0A6

Sherwin-Williams

Let it Rain SW9152

ΔE 1.9 · #979FA5

Kilz

Serving Platter RK250

ΔE 2 · #989D9D

IKEA

IKEA182 182

ΔE 2.3 · #9AA1A0

RAL

Pearl Light Grey 9022

ΔE 3 · #9C9C9C

Colorhouse

Wool .03 Wool-03

ΔE 4.4 · #A1ABAB

Farrow & Ball

Manor House Gray 265

ΔE 5 · #A2A29D

Dutch Boy

Dusky Mood DCP-1318

ΔE 6.8 · #A6ACB8

Kobra

Grey 42

ΔE 7 · #889099

Light Reflectance & Undertone

Light Reflectance Value (LRV)

35/100

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 MasstoneBlue UndertoneViolet

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

Color Theory

Complementary

#9AA0A3

#A39C99

Analogous

#99A3A1

#9AA0A3

#999BA3

Triadic

#9AA0A3

#A399A0

#A0A399

Split-Complementary

#9AA0A3

#A3999B

#A3A199

Tetradic

#9AA0A3

#A199A3

#A39C99

#9BA399

Monochromatic

#4E5356

#727A7E

#9AA0A3

#C1C5C7

#EAEBEC

Rectangle

#9AA0A3

#9C99A3

#A39C99

#A0A399

Compound

#9AA0A3

#999BA3

#A39C99

#A3A199

Variations

Lighter

#AEB3B5

#C2C6C7

#DCDDDE

Darker

#788185

#52595C

#303436

Saturation

#9D9FA0

#99A0A3

#6BAFD1

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

2.65:1

Fail

vs Black

7.93:1

AAA

Deuteranopia

#9AA0A3

#9D9EA4

Original → Simulated

Protanopia

#9AA0A3

#9F9FA3

Original → Simulated

Tritanopia

#9AA0A3

#9AA0A0

Original → Simulated

Color Psychology

Quiet · Versatile

Prehistoric Stone 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

#B3A595

Warm Bulb 2700K

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

#9AA0A3

Daylight 5500K

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

#A0AABA

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.

#A57C68

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: #9AA0A3;

CSS — background

background-color: #9AA0A3;

CSS Variable

--color-prehistoric-stone: #9AA0A3;

Tailwind v3 — config

colors: { 'prehistoric-stone': '#9AA0A3' }

Tailwind — arbitrary

bg-[#9AA0A3] text-[#9AA0A3]

SCSS

$prehistoric-stone: #9AA0A3;

Similar Colors

Delray Gray

#9A9FA2 · ΔE 0.5

Pewter

#979C9F · ΔE 1.5

Timber Wolf

#9A9F9E · ΔE 2.3

Cobblestone Path

#9EA5A5 · ΔE 2.4

Sweatshirt Gray

#92999E · ΔE 2.9

Pilgrim Haze

#9EA7AD · ΔE 3.1

Adagio

#A0A8A8 · ΔE 3.3

Storm

#9FA09E · ΔE 3.3

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 #9AA0A3?

#9AA0A3 is Prehistoric Stone, a soft grey with a cool undertone.

Is #9AA0A3 warm or cool?

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

What rooms work best with Prehistoric Stone?

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

What colors pair well with Prehistoric Stone?

Prehistoric Stone 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 Prehistoric Stone?

You can download Prehistoric Stone 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 Prehistoric Stone?

The hex code is #9AA0A3. In RGB it's 154, 160, 163, and in HSL it's 200°, 5%, 62%.

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