GREENS

Island Sea

#81D6CD

RGB 129, 214, 205 · HSL 174°, 51%, 67% · CMYK 40, 0, 4, 16

Island Sea is #81D6CD in HEX — rgb(129, 214, 205), hsl(174°, 51%, 67%), cmyk(40%, 0%, 4%, 16%).

Island Sea pulls into the light end of the greens spectrum — HSL 174°, 51%, 67%. The balanced saturation makes it confident without overpowering, 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#81D6CD

RGB129, 214, 205

HSL174°, 51%, 67%

HSV174°, 40%, 84%

CMYK40, 0, 4, 16

Decimal8509133

CSS RGBrgb(129, 214, 205)

CSS HSLhsl(174, 51%, 67%)

Paint Matches — this color across 16 brands

Dulux

Island Sea S28H3

Exact match

PPG

Isle Royale 1232-4

ΔE 0.8 · #80D7CF

Kilz

Miss Golightly RG150-02

ΔE 1.2 · #83D4CA

Behr

Island Oasis HDC-MD-09

ΔE 1.3 · #84D5CD

Hallman-Lindsay

Island Breeze 693

ΔE 2.2 · #8ADACF

Benjamin Moore

Coastal 655

ΔE 2.3 · #7AD6CB

Vista Paint

Glorious Garden K-244

ΔE 2.8 · #7DDBD4

Valspar

Nautical 5007-9C

ΔE 3.3 · #7ACDC6

Sherwin-Williams

Tantalizing Teal SW6937

ΔE 3.3 · #87DCCE

Dunn-Edwards

Island Oasis DE5730

ΔE 4.9 · #88D9D8

IKEA

IKEA165 165

ΔE 6.2 · #91D0C5

RAL

Light Green 6027

ΔE 8.8 · #84C3BE

Colorhouse

Sprout .01 Sprout-01

ΔE 11.1 · #ADE8E2

Kobra

Blue 27

ΔE 15.5 · #87C8D7

Farrow & Ball

Arsenic 214

ΔE 16.6 · #84B59C

Dutch Boy

Sky Blue D-6742

ΔE 19 · #7AC2D8

Light Reflectance & Undertone

Light Reflectance Value (LRV)

57/100

Light

0 · DarkLight · 100

Reflects plenty of light and keeps spaces feeling open and airy while still showing clear colour. A safe, flexible choice for living areas.

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

#81D6CD

#D68089

Analogous

#80D6A2

#81D6CD

#80B3D6

Triadic

#81D6CD

#CD80D6

#D6CD80

Split-Complementary

#81D6CD

#D680B3

#D6A280

Tetradic

#81D6CD

#A280D6

#D68089

#B3D680

Monochromatic

#2E8E85

#46C3B7

#81D6CD

#BAE9E4

#ECF9F7

Rectangle

#81D6CD

#8089D6

#D68089

#D6CD80

Compound

#81D6CD

#80B3D6

#D68089

#D6A280

Variations

Lighter

#99DED7

#B7E2DE

#D7ECEA

Darker

#49C8BB

#299388

#175750

Saturation

#9EB8B5

#80D6CD

#6BEADE

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

1.69:1

Fail

vs Black

12.43:1

AAA

Deuteranopia

#81D6CD

#B9BECF

Original → Simulated

Protanopia

#81D6CD

#CBCBCE

Original → Simulated

Tritanopia

#81D6CD

#86D3D2

Original → Simulated

Color Psychology

Calm · Restorative

Island Sea 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

#A0CDB5

Warm Bulb 2700K

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

#81D6CD

Daylight 5500K

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

#8DD2D9

Cool Bulb 6500K

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

Pairs With

#E9ECEC

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.

#C1626B

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 · Trim · Soft furniture

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: #81D6CD;

CSS — background

background-color: #81D6CD;

CSS Variable

--color-island-sea: #81D6CD;

Tailwind v3 — config

colors: { 'island-sea': '#81D6CD' }

Tailwind — arbitrary

bg-[#81D6CD] text-[#81D6CD]

SCSS

$island-sea: #81D6CD;

Similar Colors

Coastal Paradise

#79D5CA · ΔE 2.4

Shore House Green

#8BD8CD · ΔE 2.5

Caribbean Cool

#87D5D1 · ΔE 3.6

Scuba Green

#81DDD0 · ΔE 3.7

South Beach

#89DCCD · ΔE 3.8

Green Coral

#7FDDCF · ΔE 4.3

Tropicana Cabana

#7ED5D4 · ΔE 4.3

Mexicali Turquoise

#78CECC · ΔE 4.6

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 #81D6CD?

#81D6CD is Island Sea, a soft green with a cool undertone.

Is #81D6CD warm or cool?

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

What rooms work best with Island Sea?

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

What colors pair well with Island Sea?

Island Sea 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 Island Sea?

You can download Island Sea 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 Island Sea?

The hex code is #81D6CD. In RGB it's 129, 214, 205, and in HSL it's 174°, 51%, 67%.

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