GREENS

Mermaid Sea

#27A155

RGB 39, 161, 85 · HSL 143°, 61%, 39% · CMYK 76, 0, 47, 37

Mermaid Sea is #27A155 in HEX — rgb(39, 161, 85), hsl(143°, 61%, 39%), cmyk(76%, 0%, 47%, 37%).

Mermaid Sea pulls into the rich end of the greens spectrum — HSL 143°, 61%, 39%. The balanced saturation makes it confident without overpowering, 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#27A155

RGB39, 161, 85

HSL143°, 61%, 39%

HSV143°, 76%, 63%

CMYK76, 0, 47, 37

Decimal2597205

CSS RGBrgb(39, 161, 85)

CSS HSLhsl(143, 61%, 39%)

Paint Matches — this color across 16 brands

Behr

Mermaid Sea P440-7

Exact match

Dulux

Garnish S25H8

ΔE 3.9 · #1E974E

Dunn-Edwards

Get Up and Go DE5636

ΔE 4.9 · #1A9D49

Valspar

Spinach 6004-10C

ΔE 5.9 · #48A759

Benjamin Moore

Kelly 2037-30

ΔE 7.4 · #01A263

PPG

Leap Frog 1225-7

ΔE 7.8 · #41A94F

RAL

Pure Green 6037

ΔE 9.1 · #008F39

Sherwin-Williams

Envy SW6925

ΔE 10.4 · #358C3F

Kilz

Vivid Lime RH100

ΔE 10.9 · #52A84C

Vista Paint

Summer Sumac K-297

ΔE 12 · #48A469

Hallman-Lindsay

Aqueous 731

ΔE 12.2 · #56A05B

Dutch Boy

Green Grass VS-9552

ΔE 14.7 · #53995A

Kobra

Green 34

ΔE 15.4 · #42A370

Colorhouse

Thrive .06 Thrive-06

ΔE 20 · #128458

IKEA

IKEA132 132

ΔE 30.5 · #507A4F

Farrow & Ball

Yeabridge Green 287

ΔE 37.7 · #919F70

Light Reflectance & Undertone

Light Reflectance Value (LRV)

27/100

Medium

0 · DarkLight · 100

Balanced reflectance — holds colour without washing out. Versatile for most rooms and the most forgiving range for true-to-chip results.

Undertone

TemperatureNeutral MasstoneGreen UndertoneBlue

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

Color Theory

Complementary

#27A155

#A02772

Analogous

#35A027

#27A155

#27A092

Triadic

#27A155

#5527A0

#A05527

Split-Complementary

#27A155

#9227A0

#A02735

Tetradic

#27A155

#2735A0

#A02772

#A09227

Monochromatic

#092514

#186334

#27A155

#42D179

#80E0A5

Rectangle

#27A155

#2772A0

#A02772

#A05527

Compound

#27A155

#27A092

#A02772

#A02735

Variations

Lighter

#37CE71

#71D296

#B1E0C3

Darker

#1D8344

#125B2E

#09361B

Saturation

#51765F

#27A055

#13B451

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

3.33:1

AA Large

vs Black

6.32:1

Deuteranopia

#27A155

#89815A

Original → Simulated

Protanopia

#27A155

#959563

Original → Simulated

Tritanopia

#27A155

#409699

Original → Simulated

Color Psychology

Calm · Restorative

Mermaid 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

#5DA55B

Warm Bulb 2700K

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

#27A155

Daylight 5500K

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

#4AAA7F

Cool Bulb 6500K

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

Pairs With

#E8EDEA

Trim

Matched off-white

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

#F7F8F7

Ceiling

Whisper tint

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

#80295F

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: #27A155;

CSS — background

background-color: #27A155;

CSS Variable

--color-mermaid-sea: #27A155;

Tailwind v3 — config

colors: { 'mermaid-sea': '#27A155' }

Tailwind — arbitrary

bg-[#27A155] text-[#27A155]

SCSS

$mermaid-sea: #27A155;

Similar Colors

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#00A162 · ΔE 7.3

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#31AA50 · ΔE 7.5

Peppermint Leaf

#00983C · ΔE 9.8

Once Upon a Time

#288F50 · ΔE 9.9

Sullivan Green

#51A448 · ΔE 11.3

Yellow Green

#008A31 · ΔE 11.5

Jade Green

#00874A · ΔE 11.8

Paradise Valley

#67B458 · ΔE 14.6

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 #27A155?

#27A155 is Mermaid Sea, a deep green with a warm undertone.

Is #27A155 warm or cool?

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

What rooms work best with Mermaid Sea?

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

What colors pair well with Mermaid Sea?

Mermaid 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 Mermaid Sea?

You can download Mermaid 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 Mermaid Sea?

The hex code is #27A155. In RGB it's 39, 161, 85, and in HSL it's 143°, 61%, 39%.

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