GREENS

Sea Turtle

#818A40

RGB 129, 138, 64 · HSL 67°, 37%, 40% · CMYK 7, 0, 54, 46

Sea Turtle is #818A40 in HEX — rgb(129, 138, 64), hsl(67°, 37%, 40%), cmyk(7%, 0%, 54%, 46%).

Sea Turtle pulls into the rich end of the greens spectrum — HSL 67°, 37%, 40%. The muted saturation makes it quiet but present, and the hue reads warm. 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#818A40

RGB129, 138, 64

HSL67°, 37%, 40%

HSV67°, 54%, 54%

CMYK7, 0, 54, 46

Decimal8489536

CSS RGBrgb(129, 138, 64)

CSS HSLhsl(67, 37%, 40%)

Paint Matches — this color across 16 brands

Dunn-Edwards

Sea Turtle DEA170

Exact match

Dulux

Laird S20E9

ΔE 2.1 · #7B853C

Behr

Dash Of Oregano S330-6

ΔE 2.4 · #858941

Valspar

Shallow Valley 6011-9

ΔE 2.7 · #868E48

Vista Paint

Limerick Trick K-360

ΔE 4.2 · #7E8947

PPG

Wistful Walk 11-15

ΔE 4.3 · #848947

Kilz

Farmer'S Road LG130-01

ΔE 4.5 · #8A934E

Hallman-Lindsay

Martina Olive 795

ΔE 4.9 · #8E8E41

Sherwin-Williams

Gecko SW6719

ΔE 5.8 · #7A8833

Benjamin Moore

Oregano 2147-10

ΔE 5.9 · #8D8940

RAL

Olive Yellow 1020

ΔE 7.5 · #999950

IKEA

IKEA114 114

ΔE 13.9 · #93AB67

Colorhouse

Leaf .05 Leaf-05

ΔE 14.3 · #998F5B

Farrow & Ball

Yeabridge Green 287

ΔE 17.1 · #919F70

Dutch Boy

Green Grass VS-9552

ΔE 24.3 · #53995A

Kobra

Gold 45

ΔE 25 · #8E7A5A

Light Reflectance & Undertone

Light Reflectance Value (LRV)

23/100

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 UndertoneGreen

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

Color Theory

Complementary

#818A40

#49408C

Analogous

#8C6F40

#818A40

#5D8C40

Triadic

#818A40

#40838C

#8C4083

Split-Complementary

#818A40

#405D8C

#6F408C

Tetradic

#818A40

#408C6F

#49408C

#8C405D

Monochromatic

#212310

#525728

#818A40

#ADB762

#C8CF96

Rectangle

#818A40

#408C49

#49408C

#8C4083

Compound

#818A40

#5D8C40

#49408C

#6F408C

Variations

Lighter

#A7B257

#B9C086

#D4D7BC

Darker

#6A7132

#4A4F21

#2B2F13

Saturation

#6F715B

#838C40

#9CAC20

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

3.72:1

AA Large

vs Black

5.64:1

Deuteranopia

#818A40

#8E8242

Original → Simulated

Protanopia

#818A40

#89894F

Original → Simulated

Tritanopia

#818A40

#868186

Original → Simulated

Color Psychology

Calm · Restorative

Sea Turtle 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

#A0944B

Warm Bulb 2700K

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

#818A40

Daylight 5500K

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

#8D996F

Cool Bulb 6500K

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

Pairs With

#ECECE9

Trim

Matched off-white

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

#F8F8F7

Ceiling

Whisper tint

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

#423B72

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: #818A40;

CSS — background

background-color: #818A40;

CSS Variable

--color-sea-turtle: #818A40;

Tailwind v3 — config

colors: { 'sea-turtle': '#818A40' }

Tailwind — arbitrary

bg-[#818A40] text-[#818A40]

SCSS

$sea-turtle: #818A40;

Similar Colors

Oregano

#8C883F · ΔE 5.9

Olive Moss

#949146 · ΔE 6.5

Dark Celery

#83872E · ΔE 7.7

Terrapin Green

#8B8C50 · ΔE 8.0

Sycamore Tree

#8C965A · ΔE 9.0

Jalapeño Pepper

#A19D52 · ΔE 10.0

Winding Vines

#908D55 · ΔE 10.8

Timson Green

#6E743A · ΔE 11.2

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 #818A40?

#818A40 is Sea Turtle, a mid-tone green with a warm undertone.

Is #818A40 warm or cool?

Sea Turtle reads warm, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Sea Turtle?

Sea Turtle works well in bedrooms, bathrooms, libraries. Designers typically use it for main walls, cabinetry, soft furniture.

What colors pair well with Sea Turtle?

Sea Turtle 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 Sea Turtle?

You can download Sea Turtle 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 Sea Turtle?

The hex code is #818A40. In RGB it's 129, 138, 64, and in HSL it's 67°, 37%, 40%.

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