GREENS

Mermaid Treasure

#3FEFAF

RGB 63, 239, 175 · HSL 158°, 85%, 59% · CMYK 74, 0, 27, 6

Mermaid Treasure is #3FEFAF in HEX — rgb(63, 239, 175), hsl(158°, 85%, 59%), cmyk(74%, 0%, 27%, 6%).

Mermaid Treasure pulls into the mid-tone end of the greens spectrum — HSL 158°, 85%, 59%. The saturated saturation makes it bold and immediate, 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#3FEFAF

RGB63, 239, 175

HSL158°, 85%, 59%

HSV158°, 74%, 94%

CMYK74, 0, 27, 6

Decimal4190127

CSS RGBrgb(63, 239, 175)

CSS HSLhsl(158, 85%, 59%)

Paint Matches — this color across 16 brands

Behr

Mermaid Treasure 500B-5

Exact match

Dunn-Edwards

Vegetation DE5676

ΔE 16.9 · #5CCD97

Dulux

Van Gogh Green S25H5

ΔE 17.3 · #65CE92

Benjamin Moore

Adam 2037-40

ΔE 19.5 · #54C89A

Vista Paint

Day in the Garden K-282

ΔE 21.5 · #49C49C

PPG

Aragon Green 1227-5

ΔE 21.9 · #47BA87

Valspar

New Meadow 6002-10B

ΔE 24.3 · #4EC19D

Kobra

Green 32

ΔE 26.3 · #75C89E

Hallman-Lindsay

Blue Green Scene 716

ΔE 27.3 · #56B78F

Kilz

Iguana RG220-02

ΔE 29.4 · #95D3A3

Sherwin-Williams

Jitterbug Jade SW6987

ΔE 30.3 · #019D6E

Dutch Boy

Green Peace VS-9505

ΔE 33.3 · #8AC867

RAL

Pastel Green 6019

ΔE 33.6 · #BDECB6

Colorhouse

Thrive .04 Thrive-04

ΔE 39.1 · #A2C8A1

IKEA

IKEA165 165

ΔE 41.4 · #91D0C5

Farrow & Ball

Arsenic 214

ΔE 41.4 · #84B59C

Light Reflectance & Undertone

Light Reflectance Value (LRV)

66/100

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

#3FEFAF

#EF3E7F

Analogous

#3EEF55

#3FEFAF

#3ED8EF

Triadic

#3FEFAF

#AE3EEF

#EFAE3E

Split-Complementary

#3FEFAF

#EF3ED8

#EF553E

Tetradic

#3FEFAF

#553EEF

#EF3E7F

#D8EF3E

Monochromatic

#0B895B

#11D08A

#3FEFAF

#84F5CC

#CBFBE9

Rectangle

#3FEFAF

#3E7FEF

#EF3E7F

#EFAE3E

Compound

#3FEFAF

#3ED8EF

#EF3E7F

#EF553E

Variations

Lighter

#64F2BE

#93EECC

#C5F0E0

Darker

#0DE495

#05A067

#015F3D

Saturation

#7CB19E

#3EEFAE

#36F7B0

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

1.48:1

Fail

vs Black

14.18:1

AAA

Deuteranopia

#3FEFAF

#C8C3B3

Original → Simulated

Protanopia

#3FEFAF

#DDDDB9

Original → Simulated

Tritanopia

#3FEFAF

#5DE4E6

Original → Simulated

Color Psychology

Calm · Restorative

Mermaid Treasure 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

#6FE09E

Warm Bulb 2700K

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

#3FEFAF

Daylight 5500K

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

#5CE5C3

Cool Bulb 6500K

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

Pairs With

#E7EEEB

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.

#DC2467

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: #3FEFAF;

CSS — background

background-color: #3FEFAF;

CSS Variable

--color-mermaid-treasure: #3FEFAF;

Tailwind v3 — config

colors: { 'mermaid-treasure': '#3FEFAF' }

Tailwind — arbitrary

bg-[#3FEFAF] text-[#3FEFAF]

SCSS

$mermaid-treasure: #3FEFAF;

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#35C6A8 · ΔE 23.6

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#00B998 · ΔE 24.6

St. Patty's Day

#50C9AC · ΔE 25.2

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#25C7AF · ΔE 25.6

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#88D17E · ΔE 26.1

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 #3FEFAF?

#3FEFAF is Mermaid Treasure, a mid-tone green with a cool undertone.

Is #3FEFAF warm or cool?

Mermaid Treasure reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Mermaid Treasure?

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

What colors pair well with Mermaid Treasure?

Mermaid Treasure 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 Treasure?

You can download Mermaid Treasure 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 Treasure?

The hex code is #3FEFAF. In RGB it's 63, 239, 175, and in HSL it's 158°, 85%, 59%.

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