GREENS

Dark Slate Grey

#2F4F4F

RGB 47, 79, 79 · HSL 180°, 25%, 25% · CMYK 41, 0, 0, 69

Dark Slate Grey is #2F4F4F in HEX — rgb(47, 79, 79), hsl(180°, 25%, 25%), cmyk(41%, 0%, 0%, 69%).

Dark Slate Grey pulls into the deep end of the greens spectrum — HSL 180°, 25%, 25%. The muted saturation makes it quiet but present, and the hue reads cool. In interior projects it shines on bedrooms, bathrooms, libraries — for grounding, restorative spaces. Reads best alongside soft white walls, oak floors, brass, warm clay accents.

Color Codes

HEX#2F4F4F

RGB47, 79, 79

HSL180°, 25%, 25%

HSV180°, 41%, 31%

CMYK41, 0, 0, 69

Decimal3100495

CSS RGBrgb(47, 79, 79)

CSS HSLhsl(180, 25%, 25%)

Paint Matches — this color across 16 brands

Benjamin Moore

Mallard 2053-10

ΔE 1.6 · #2A4F50

Dulux

Delta Green S30A8

ΔE 1.8 · #2D4B4C

Behr

Thermal S440-7

ΔE 2.2 · #2A4A4B

Dunn-Edwards

Deep Pine DEA180

ΔE 3.7 · #254A47

Kilz

Oceans Deep TB-60

ΔE 3.8 · #395255

Vista Paint

Green Mountain Falls K-208

ΔE 3.9 · #254B50

PPG

Night Watch 1145-7

ΔE 4.3 · #3C504F

Hallman-Lindsay

Winter Balsam historic-winter-balsam

ΔE 4.4 · #314747

Valspar

Royal Pine 5011-5

ΔE 4.5 · #315753

Sherwin-Williams

Cascades SW7623

ΔE 7.5 · #273E3E

Farrow & Ball

Hague Blue 30

ΔE 8.4 · #3D4E57

Kobra

Green 38

ΔE 8.9 · #415448

RAL

Iron Grey 7011

ΔE 9.1 · #434B4D

Colorhouse

Metal .06 Metal-06

ΔE 9.6 · #3F4647

Dutch Boy

Dark Green D-6751

ΔE 9.9 · #214136

IKEA

IKEA152 152

ΔE 10 · #494F50

Light Reflectance & Undertone

Light Reflectance Value (LRV)

7/100

Very Dark

0 · DarkLight · 100

Absorbs almost all light — dramatic and cocooning. Needs strong artificial lighting and works best as an accent or in well-lit rooms.

Undertone

TemperatureCool MasstoneTeal UndertoneGreen

Reads as a cool teal with a green undertone showing through, especially in daylight. Pair trim and adjacent colours to either calm or amplify that undertone.

Color Theory

Complementary

#2F4F4F

#503030

Analogous

#305040

#2F4F4F

#304050

Triadic

#2F4F4F

#503050

#505030

Split-Complementary

#2F4F4F

#503040

#504030

Tetradic

#2F4F4F

#403050

#503030

#405030

Monochromatic

#0A1010

#132020

#2F4F4F

#4D7F80

#70A9A9

Rectangle

#2F4F4F

#303050

#503030

#505030

Compound

#2F4F4F

#304050

#503030

#504030

Variations

Lighter

#4D7F80

#74A5A5

#B0C8C8

Darker

#264040

#192D2D

#0F1A1A

Saturation

#3B4545

#305050

#186868

Interior Use

Best Rooms

bedrooms, bathrooms, libraries

Best Uses

main walls, cabinetry, soft furniture

Pairs With

soft white walls, oak floors, brass, warm clay accents

Accessibility (WCAG)

vs White

8.93:1

AAA

vs Black

2.35:1

Fail

Deuteranopia

#2F4F4F

#434650

Original → Simulated

Protanopia

#2F4F4F

#4B4B4F

Original → Simulated

Tritanopia

#2F4F4F

#304F4E

Original → Simulated

Color Psychology

Calm · Restorative

Dark Slate Grey sits in the part of the spectrum the eye relaxes into. Designers reach for green when a room needs to feel like a refuge — bedrooms, libraries, bathrooms — because it lowers visual blood-pressure without flattening the space.

SymbolismGrowth, balance, nature

PersonalitySteady, grounded, thoughtful

calmnaturerestorativebalancebedroomlibrary

How it looks under different light

#636856

Warm Bulb 2700K

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

#2F4F4F

Daylight 5500K

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

#506D7B

Cool Bulb 6500K

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

Pairs With

#EAECEC

Trim

Matched off-white

Same hue at 92% lightness — trim reads coordinated, not stark.

#F7F8F8

Ceiling

Whisper tint

Near-white with a hint of the hero's undertone — ceiling feels intentional.

#442929

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: #2F4F4F;

CSS — background

background-color: #2F4F4F;

CSS Variable

--color-dark-slate-grey: #2F4F4F;

Tailwind v3 — config

colors: { 'dark-slate-grey': '#2F4F4F' }

Tailwind — arbitrary

bg-[#2F4F4F] text-[#2F4F4F]

SCSS

$dark-slate-grey: #2F4F4F;

Similar Colors

Mallard Green

#294E4F · ΔE 1.7

Dollar Bill Green

#325654 · ΔE 3.3

Yukon Green

#2F534F · ΔE 3.3

Miramichi

#30484A · ΔE 4.0

Deep Sea Green

#255456 · ΔE 4.5

Olympus Green

#3D585B · ΔE 5.0

Hidden Falls

#415451 · ΔE 5.6

Everard Blue

#3D5459 · ΔE 5.6

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 #2F4F4F?

#2F4F4F is Dark Slate Grey, a deep green with a cool undertone.

Is #2F4F4F warm or cool?

Dark Slate Grey reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Dark Slate Grey?

Dark Slate Grey works well in bedrooms, bathrooms, libraries. Designers typically use it for main walls, cabinetry, soft furniture.

What colors pair well with Dark Slate Grey?

Dark Slate Grey pairs naturally with soft white walls, oak floors, brass, warm clay accents. Its complementary color is also a strong contrast option for accents.

Where can I download Dark Slate Grey?

You can download Dark Slate Grey 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 Dark Slate Grey?

The hex code is #2F4F4F. In RGB it's 47, 79, 79, and in HSL it's 180°, 25%, 25%.

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