GREYS

On the Moor

#666D68

RGB 102, 109, 104 · HSL 137°, 3%, 41% · CMYK 6, 0, 5, 57

On the Moor is #666D68 in HEX — rgb(102, 109, 104), hsl(137°, 3%, 41%), cmyk(6%, 0%, 5%, 57%).

On the Moor pulls into the rich end of the greys spectrum — HSL 137°, 3%, 41%. 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#666D68

RGB102, 109, 104

HSL137°, 3%, 41%

HSV137°, 6%, 43%

CMYK6, 0, 5, 57

Decimal6712680

CSS RGBrgb(102, 109, 104)

CSS HSLhsl(137, 3%, 41%)

Paint Matches — this color across 16 brands

Sherwin-Williams

Homburg Gray SW7622

ΔE 0.6 · #666D69

Dulux

Bottle Green SG5E6

ΔE 1 · #656B65

Benjamin Moore

Kitty 1589

ΔE 1.2 · #656C69

Vista Paint

Stairway to Heaven C-478

ΔE 1.4 · #656E6B

PPG

Gunmetal Gray 1033-6

ΔE 1.9 · #646C64

Valspar

Quaking Bog 5005-2C

ΔE 2 · #666A63

RAL

Mouse Grey 7005

ΔE 2 · #646B63

Kilz

Old Key RL260

ΔE 2.2 · #696D6B

Hallman-Lindsay

Stairway To Heaven 479

ΔE 2.2 · #67716E

Dunn-Edwards

Dark Pewter DE6314

ΔE 2.4 · #606865

Behr

Simple Silhouette 790B-5

ΔE 2.4 · #676E6D

Farrow & Ball

Down Pipe 26

ΔE 3.3 · #626664

IKEA

IKEA188 188

ΔE 4.5 · #646462

Dutch Boy

Ashton Grey VS-9303

ΔE 5.7 · #66665A

Colorhouse

Wool .05 Wool-05

ΔE 9 · #587675

Kobra

Green 37

ΔE 12.2 · #515545

Light Reflectance & Undertone

Light Reflectance Value (LRV)

15/100

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

#666D68

#6C656A

Analogous

#676C65

#666D68

#656C6A

Triadic

#666D68

#67656C

#6C6765

Split-Complementary

#666D68

#6A656C

#6C6567

Tetradic

#666D68

#65676C

#6C656A

#6C6A65

Monochromatic

#1B1D1C

#404441

#666D68

#8B928D

#B3B7B4

Rectangle

#666D68

#656A6C

#6C656A

#6C6765

Compound

#666D68

#656C6A

#6C656A

#6C6567

Variations

Lighter

#838A85

#A2A7A4

#C9CBCA

Darker

#515652

#383B39

#202321

Saturation

#686968

#656C67

#339E51

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

5.31:1

vs Black

3.95:1

AA Large

Deuteranopia

#666D68

#6B6A69

Original → Simulated

Protanopia

#666D68

#6C6C69

Original → Simulated

Tritanopia

#666D68

#676C6C

Original → Simulated

Color Psychology

Quiet · Versatile

On the Moor 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

#8C7E69

Warm Bulb 2700K

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

#666D68

Daylight 5500K

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

#79838D

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.

#6F4362

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: #666D68;

CSS — background

background-color: #666D68;

CSS Variable

--color-on-the-moor: #666D68;

Tailwind v3 — config

colors: { 'on-the-moor': '#666D68' }

Tailwind — arbitrary

bg-[#666D68] text-[#666D68]

SCSS

$on-the-moor: #666D68;

Similar Colors

Kitty Gray

#646B68 · ΔE 1.4

Quarry Rock

#616964 · ΔE 1.8

Millstone Gray

#6A716A · ΔE 1.9

Rainy Afternoon

#646B61 · ΔE 3.1

Rocky Coast

#6C7171 · ΔE 3.7

Gray Gardens

#717571 · ΔE 3.8

Caldwell Green

#627067 · ΔE 3.8

Burnt Ember

#6A6967 · 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 #666D68?

#666D68 is On the Moor, a mid-tone grey with a cool undertone.

Is #666D68 warm or cool?

On the Moor reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with On the Moor?

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

What colors pair well with On the Moor?

On the Moor 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 On the Moor?

You can download On the Moor 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 On the Moor?

The hex code is #666D68. In RGB it's 102, 109, 104, and in HSL it's 137°, 3%, 41%.

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