NEUTRALS

Strong Olive

#646756

RGB 100, 103, 86 · HSL 71°, 9%, 37% · CMYK 3, 0, 17, 60

Strong Olive is #646756 in HEX — rgb(100, 103, 86), hsl(71°, 9%, 37%), cmyk(3%, 0%, 17%, 60%).

Strong Olive pulls into the rich end of the neutrals spectrum — HSL 71°, 9%, 37%. The neutral saturation makes it near-neutral and forgiving, and the hue reads cool. In interior projects it shines on main walls, trims, ceilings — versatile across nearly any style. Reads best alongside soft whites, natural wood, matte black trim, linen.

Color Codes

HEX#646756

RGB100, 103, 86

HSL71°, 9%, 37%

HSV71°, 17%, 40%

CMYK3, 0, 17, 60

Decimal6580054

CSS RGBrgb(100, 103, 86)

CSS HSLhsl(71, 9%, 37%)

Paint Matches — this color across 16 brands

Dulux

Strong Olive S19B7

ΔE 0.4 · #656756

Dunn-Edwards

Green Gate DE6273

ΔE 1.1 · #676957

PPG

Winning Ticket 1127-6

ΔE 1.3 · #636653

Benjamin Moore

Forest 1498 · CC-570

ΔE 1.5 · #636552

Vista Paint

Newbury Moss C-1408

ΔE 1.8 · #606552

Hallman-Lindsay

Newbury Moss historic-newbury-moss

ΔE 2.7 · #616550

Sherwin-Williams

Rosemary SW6187

ΔE 2.7 · #64695C

RAL

Concrete Grey 7023

ΔE 2.8 · #686C5E

Dutch Boy

Ashton Grey VS-9303

ΔE 3.2 · #66665A

IKEA

IKEA148 148

ΔE 3.3 · #676450

Behr

Fig Tree MQ6-58

ΔE 3.4 · #61604D

Valspar

Flora 5004-2C

ΔE 3.5 · #5E6357

Kilz

Yew Hedge LG100-02

ΔE 3.6 · #656952

Colorhouse

Stone .06 Stone-06

ΔE 5.6 · #746D5A

Kobra

Green 37

ΔE 7.6 · #515545

Farrow & Ball

Salon Drab 290

ΔE 7.6 · #726454

Light Reflectance & Undertone

Light Reflectance Value (LRV)

13/100

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

TemperatureWarm MasstoneYellow-Green UndertoneYellow

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

Color Theory

Complementary

#646756

#595667

Analogous

#676156

#646756

#5B6756

Triadic

#646756

#566467

#675664

Split-Complementary

#646756

#565B67

#615667

Tetradic

#646756

#566761

#595667

#67565B

Monochromatic

#131310

#3B3D33

#646756

#8C907A

#B0B2A3

Rectangle

#646756

#566759

#595667

#675664

Compound

#646756

#5B6756

#595667

#615667

Variations

Lighter

#868A73

#A3A697

#C9CAC3

Darker

#505344

#37392F

#20211B

Saturation

#60615C

#646756

#7F922B

Interior Use

Best Rooms

living rooms, bedrooms, kitchens

Best Uses

main walls, trim, accents

Pairs With

soft whites, natural wood, brass, matte black trim

Accessibility (WCAG)

vs White

5.81:1

vs Black

3.62:1

AA Large

Deuteranopia

#646756

#686557

Original → Simulated

Protanopia

#646756

#666658

Original → Simulated

Tritanopia

#646756

#656466

Original → Simulated

Color Psychology

Quiet · Versatile

Strong Olive 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

#8A7A5C

Warm Bulb 2700K

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

#646756

Daylight 5500K

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

#787F80

Cool Bulb 6500K

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

Pairs With

#EBEBEA

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.

#433C64

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: #646756;

CSS — background

background-color: #646756;

CSS Variable

--color-strong-olive: #646756;

Tailwind v3 — config

colors: { 'strong-olive': '#646756' }

Tailwind — arbitrary

bg-[#646756] text-[#646756]

SCSS

$strong-olive: #646756;

Similar Colors

Forest Floor

#626451 · ΔE 1.8

Castle Peak Gray

#696757 · ΔE 2.3

Dark Olive

#616253 · ΔE 2.3

Army Green

#6A6855 · ΔE 2.6

Jade Romanesque

#61644F · ΔE 2.8

Provincial Park

#696753 · ΔE 2.9

Sharkskin

#6D6C5E · ΔE 3.5

Country Life

#6E6958 · ΔE 3.8

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 #646756?

#646756 is Strong Olive, a deep neutral with a cool undertone.

Is #646756 warm or cool?

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

What rooms work best with Strong Olive?

Strong Olive works well in living rooms, bedrooms, kitchens. Designers typically use it for main walls, trim, accents.

What colors pair well with Strong Olive?

Strong Olive pairs naturally with soft whites, natural wood, brass, matte black trim. Its complementary color is also a strong contrast option for accents.

Where can I download Strong Olive?

You can download Strong Olive 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 Strong Olive?

The hex code is #646756. In RGB it's 100, 103, 86, and in HSL it's 71°, 9%, 37%.

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