GREYS

Ecological

#677F70

RGB 103, 127, 112 · HSL 143°, 10%, 45% · CMYK 19, 0, 12, 50

Ecological is #677F70 in HEX — rgb(103, 127, 112), hsl(143°, 10%, 45%), cmyk(19%, 0%, 12%, 50%).

Ecological pulls into the mid-tone end of the greys spectrum — HSL 143°, 10%, 45%. 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#677F70

RGB103, 127, 112

HSL143°, 10%, 45%

HSV143°, 19%, 50%

CMYK19, 0, 12, 50

Decimal6782832

CSS RGBrgb(103, 127, 112)

CSS HSLhsl(143, 10%, 45%)

Paint Matches — this color across 16 brands

Dunn-Edwards

Ecological DE5719

Exact match

Dulux

Cypress Garden S25A6

ΔE 2.1 · #667C70

PPG

English Ivy 1134-6

ΔE 2.9 · #6A7B6B

Valspar

Hanging Vine 5005-6B

ΔE 3 · #6C8679

Vista Paint

Malarca C-457

ΔE 3.1 · #6C7C6C

Benjamin Moore

Webster HC-130

ΔE 3.4 · #65816D

Hallman-Lindsay

Malarca 458

ΔE 3.5 · #6E7D6E

Sherwin-Williams

Gallery Green SW0015

ΔE 4 · #708672

IKEA

IKEA116 116

ΔE 4.7 · #5E7A65

Behr

Mossy Oak N360-5

ΔE 5 · #778678

Farrow & Ball

Green Smoke 47

ΔE 6.1 · #737C70

Kilz

Bitter Arugula RG270-02

ΔE 6.8 · #6A886F

RAL

Cement Grey 7033

ΔE 7.7 · #7D8471

Colorhouse

Wool .05 Wool-05

ΔE 9.1 · #587675

Kobra

Green 36

ΔE 12.5 · #4E795B

Dutch Boy

Ashton Grey VS-9303

ΔE 12.6 · #66665A

Light Reflectance & Undertone

Light Reflectance Value (LRV)

19/100

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 MasstoneGreen UndertoneBlue

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

Color Theory

Complementary

#677F70

#7E6775

Analogous

#6A7E67

#677F70

#677E7C

Triadic

#677F70

#70677E

#7E7067

Split-Complementary

#677F70

#7C677E

#7E676A

Tetradic

#677F70

#676A7E

#7E6775

#7E7C67

Monochromatic

#222A25

#45544B

#677F70

#8FA397

#B9C6BE

Rectangle

#677F70

#67757E

#7E6775

#7E7067

Compound

#677F70

#677E7C

#7E6775

#7E676A

Variations

Lighter

#849A8C

#A4B2A9

#CAD1CD

Darker

#52655A

#38463D

#202924

Saturation

#6F7672

#677E70

#34B264

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

4.33:1

AA Large

vs Black

4.85:1

Deuteranopia

#677F70

#787671

Original → Simulated

Protanopia

#677F70

#7B7B72

Original → Simulated

Tritanopia

#677F70

#697C7D

Original → Simulated

Color Psychology

Quiet · Versatile

Ecological 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

#8D8C6F

Warm Bulb 2700K

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

#677F70

Daylight 5500K

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

#7A9193

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.

#7A4967

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: #677F70;

CSS — background

background-color: #677F70;

CSS Variable

--color-ecological: #677F70;

Tailwind v3 — config

colors: { 'ecological': '#677F70' }

Tailwind — arbitrary

bg-[#677F70] text-[#677F70]

SCSS

$ecological: #677F70;

Similar Colors

Webster Green

#64806C · ΔE 3.4

Lush

#738071 · ΔE 4.4

Cushing Green

#687666 · ΔE 4.8

Pinelands

#70816B · ΔE 4.9

Cedar Mountains

#71887F · ΔE 5.2

Rosepine

#737E6B · ΔE 5.5

Avon Green

#737F6A · ΔE 5.8

In the Garden

#697562 · ΔE 6.1

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 #677F70?

#677F70 is Ecological, a mid-tone grey with a cool undertone.

Is #677F70 warm or cool?

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

What rooms work best with Ecological?

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

What colors pair well with Ecological?

Ecological 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 Ecological?

You can download Ecological 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 Ecological?

The hex code is #677F70. In RGB it's 103, 127, 112, and in HSL it's 143°, 10%, 45%.

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