GREYS

Aluminium Sky

#ADAFAF

RGB 173, 175, 175 · HSL 180°, 1%, 68% · CMYK 1, 0, 0, 31

Aluminium Sky is #ADAFAF in HEX — rgb(173, 175, 175), hsl(180°, 1%, 68%), cmyk(1%, 0%, 0%, 31%).

Aluminium Sky pulls into the light end of the greys spectrum — HSL 180°, 1%, 68%. 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#ADAFAF

RGB173, 175, 175

HSL180°, 1%, 68%

HSV180°, 1%, 69%

CMYK1, 0, 0, 31

Decimal11382703

CSS RGBrgb(173, 175, 175)

CSS HSLhsl(180, 1%, 68%)

Paint Matches — this color across 16 brands

PPG

Flagstone 1001-4

ΔE 0.8 · #ACADAD

Behr

Metropolis N140-3

ΔE 1.1 · #B0B2B2

Kilz

Soft Steel RL110

ΔE 1.2 · #ACACAC

Valspar

Metropolis 4005-1C

ΔE 1.5 · #ADB1B3

Hallman-Lindsay

Tin Man 547

ΔE 1.6 · #AFADAD

Vista Paint

Tin Man C-546

ΔE 1.7 · #AEACAC

Benjamin Moore

Subway CSP-585

ΔE 1.9 · #A9B0B1

Dulux

Milton Moon SN4G2

ΔE 1.9 · #B1B4B3

Dunn-Edwards

Castlerock DE6375

ΔE 1.9 · #A9AAAB

Sherwin-Williams

Uncertain Gray SW6234

ΔE 1.9 · #A9B0B1

RAL

White Aluminium 9006

ΔE 3.6 · #A5A5A5

Colorhouse

Wool .03 Wool-03

ΔE 3.6 · #A1ABAB

IKEA

IKEA155 155

ΔE 4.2 · #AAB1B8

Farrow & Ball

Lamp Room Gray 88

ΔE 4.5 · #B2B1A9

Dutch Boy

Drifting Sand DCP-0218

ΔE 5.5 · #B6B2A9

Kobra

Silver 47

ΔE 11.4 · #CDCECD

Light Reflectance & Undertone

Light Reflectance Value (LRV)

43/100

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 MasstoneTeal 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

#ADAFAF

#AEADAD

Analogous

#ADAEAD

#ADAFAF

#ADADAE

Triadic

#ADAFAF

#AEADAE

#AEAEAD

Split-Complementary

#ADAFAF

#AEADAD

Tetradic

#ADAFAF

#ADADAE

#AEADAD

#ADAEAD

Monochromatic

#606262

#868888

#ADAFAF

#D3D4D4

#F2F2F2

Rectangle

#ADAFAF

#ADADAE

#AEADAD

#AEAEAD

Compound

#ADAFAF

#ADADAE

#AEADAD

Variations

Lighter

#BDBEBE

#CECECE

#E2E3E3

Darker

#898C8C

#5E6060

#373838

Saturation

#ADAEAE

#84D7D7

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

2.20:1

Fail

vs Black

9.53:1

AAA

Deuteranopia

#ADAFAF

#AEAEB0

Original → Simulated

Protanopia

#ADAFAF

#AFAFAF

Original → Simulated

Tritanopia

#ADAFAF

Original → Simulated

Color Psychology

Quiet · Versatile

Aluminium Sky 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

#C1B09E

Warm Bulb 2700K

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

#ADAFAF

Daylight 5500K

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

#AEB5C3

Cool Bulb 6500K

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

Pairs With

#EBEBEB

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.

#AE7878

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: #ADAFAF;

CSS — background

background-color: #ADAFAF;

CSS Variable

--color-aluminium-sky: #ADAFAF;

Tailwind v3 — config

colors: { 'aluminium-sky': '#ADAFAF' }

Tailwind — arbitrary

bg-[#ADAFAF] text-[#ADAFAF]

SCSS

$aluminium-sky: #ADAFAF;

Similar Colors

Marina Gray

#ADB3B3 · ΔE 1.9

Silver Dollar

#B3B1B0 · ΔE 1.9

Subway Tile®

#A8AFB0 · ΔE 1.9

Gull Wing Gray

#A7AEB0 · ΔE 2.2

Stormy Monday

#AEABAA · ΔE 2.2

Silent Night

#B0B4B7 · ΔE 2.5

Boothbay Gray

#AAB2B0 · ΔE 2.6

Nightingale

#B6B4B2 · ΔE 2.8

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 #ADAFAF?

#ADAFAF is Aluminium Sky, a soft grey with a cool undertone.

Is #ADAFAF warm or cool?

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

What rooms work best with Aluminium Sky?

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

What colors pair well with Aluminium Sky?

Aluminium Sky 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 Aluminium Sky?

You can download Aluminium Sky 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 Aluminium Sky?

The hex code is #ADAFAF. In RGB it's 173, 175, 175, and in HSL it's 180°, 1%, 68%.

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