GREYS

Iron Mountain

#757574

RGB 117, 117, 116 · HSL 60°, 0%, 46% · CMYK 0, 0, 1, 54

Iron Mountain is #757574 in HEX — rgb(117, 117, 116), hsl(60°, 0%, 46%), cmyk(0%, 0%, 1%, 54%).

Iron Mountain pulls into the mid-tone end of the greys spectrum — HSL 60°, 0%, 46%. 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#757574

RGB117, 117, 116

HSL60°, 0%, 46%

HSV60°, 1%, 46%

CMYK0, 0, 1, 54

Decimal7697780

CSS RGBrgb(117, 117, 116)

CSS HSLhsl(60, 0%, 46%)

Paint Matches — this color across 16 brands

Dunn-Edwards

Bank Vault DE6383

ΔE 1.5 · #757374

Sherwin-Williams

Westchester Gray SW2849

ΔE 1.6 · #797978

Vista Paint

Ocean Frigate C-554

ΔE 1.7 · #7A7777

Dulux

Klute SN4G5

ΔE 1.7 · #727572

Hallman-Lindsay

Ocean Frigate 555

ΔE 2 · #7A7778

Valspar

Ocean Storm 4004-2B

ΔE 2.1 · #6F716F

IKEA

IKEA185 185

ΔE 2.4 · #7B7B79

Benjamin Moore

Gray CSP-55

ΔE 2.4 · #727672

Behr

Complex Gray N140-5

ΔE 2.5 · #76777A

PPG

Up In Smoke 1010-6

ΔE 2.7 · #6E706D

RAL

Dusty Grey 7037

ΔE 3.9 · #7D7F7D

Kilz

Old Key RL260

ΔE 4 · #696D6B

Farrow & Ball

Down Pipe 26

ΔE 6.7 · #626664

Dutch Boy

Natural Gray VS-9332

ΔE 7.1 · #878787

Colorhouse

Stone .07 Stone-07

ΔE 8.2 · #848A86

Kobra

Grey 42

ΔE 12 · #889099

Light Reflectance & Undertone

Light Reflectance Value (LRV)

18/100

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 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

#757574

#757575

Analogous

#757575

#757574

#757575

Triadic

#757574

#757575

Split-Complementary

#757574

#757575

Tetradic

#757574

#757575

Monochromatic

#292929

#4F4F4F

#757574

#9C9C9C

#C2C2C2

Rectangle

#757574

#757575

Compound

#757574

#757575

Variations

Lighter

#919191

#ACACAC

#CFCFCF

Darker

#5E5E5E

#414141

#262626

Saturation

#757575

#B0B03B

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

4.61:1

vs Black

4.55:1

Deuteranopia

#757574

#757575

Original → Simulated

Protanopia

#757574

Original → Simulated

Tritanopia

#757574

#757575

Original → Simulated

Color Psychology

Quiet · Versatile

Iron Mountain 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

#978472

Warm Bulb 2700K

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

#757574

Daylight 5500K

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

#848996

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.

#4B4B7D

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: #757574;

CSS — background

background-color: #757574;

CSS Variable

--color-iron-mountain: #757574;

Tailwind v3 — config

colors: { 'iron-mountain': '#757574' }

Tailwind — arbitrary

bg-[#757574] text-[#757574]

SCSS

$iron-mountain: #757574;

Similar Colors

Gray Gardens

#717571 · ΔE 2.4

Rocky Coast

#6C7171 · ΔE 2.9

Gray Mountain

#797271 · ΔE 2.9

Amherst Gray

#757670 · ΔE 3.0

Steel Wool

#787B7D · ΔE 3.1

Gunmetal

#6A6F70 · ΔE 3.6

Granite

#827D7B · ΔE 4.1

Arctic Seal

#6C6B6D · ΔE 4.3

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 #757574?

#757574 is Iron Mountain, a mid-tone grey with a cool undertone.

Is #757574 warm or cool?

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

What rooms work best with Iron Mountain?

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

What colors pair well with Iron Mountain?

Iron Mountain 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 Iron Mountain?

You can download Iron Mountain 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 Iron Mountain?

The hex code is #757574. In RGB it's 117, 117, 116, and in HSL it's 60°, 0%, 46%.

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