GREENS

Mermaid Sea

#297F6D

RGB 41, 127, 109 · HSL 167°, 51%, 33% · CMYK 68, 0, 14, 50

Mermaid Sea is #297F6D in HEX — rgb(41, 127, 109), hsl(167°, 51%, 33%), cmyk(68%, 0%, 14%, 50%).

Mermaid Sea pulls into the rich end of the greens spectrum — HSL 167°, 51%, 33%. 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#297F6D

RGB41, 127, 109

HSL167°, 51%, 33%

HSV167°, 68%, 50%

CMYK68, 0, 14, 50

Decimal2719597

CSS RGBrgb(41, 127, 109)

CSS HSLhsl(167, 51%, 33%)

Paint Matches — this color across 16 brands

Benjamin Moore

Lucky 609

ΔE 1.4 · #2B816D

Dulux

Green Belt S27F8

ΔE 2.4 · #2D7F69

Behr

Antigua M460-7

ΔE 2.5 · #1F7E70

PPG

Pinehurst 1140-6

ΔE 2.5 · #2B7B66

Sherwin-Williams

Ionian SW6754

ΔE 3.9 · #368976

Vista Paint

Emerald Valley K-257

ΔE 4 · #3B8272

Dunn-Edwards

Teal Waters DEA131

ΔE 4.6 · #007765

Valspar

Elegant Silk 5010-7

ΔE 5 · #378377

Hallman-Lindsay

Grassy Meadow historic-grassy-meadow

ΔE 5.4 · #328267

Colorhouse

Dream .05 Dream-05

ΔE 5.8 · #18887C

Kilz

Forest Found RG110-01

ΔE 6.2 · #46836E

Dutch Boy

Grass Green D-6753

ΔE 9.4 · #317455

Kobra

Green 41

ΔE 9.6 · #009185

RAL

Mint Turquoise 6033

ΔE 11 · #497E76

IKEA

IKEA195 195

ΔE 11.6 · #286A4C

Farrow & Ball

Vardo 288

ΔE 16.4 · #427E83

Light Reflectance & Undertone

Light Reflectance Value (LRV)

17/100

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

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

#297F6D

#7F293C

Analogous

#297F42

#297F6D

#29677F

Triadic

#297F6D

#6C297F

#7F6C29

Split-Complementary

#297F6D

#7F2967

#7F4229

Tetradic

#297F6D

#42297F

#7F293C

#677F29

Monochromatic

#061310

#16453B

#297F6D

#3CB99E

#71D1BC

Rectangle

#297F6D

#293C7F

#7F293C

#7F6C29

Compound

#297F6D

#29677F

#7F293C

#7F4229

Variations

Lighter

#3AB399

#6CC5B2

#AED9CF

Darker

#1F6758

#14483D

#0B2B24

Saturation

#47615B

#297F6C

#159478

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

4.83:1

vs Black

4.35:1

AA Large

Deuteranopia

#297F6D

#68696F

Original → Simulated

Protanopia

#297F6D

#767670

Original → Simulated

Tritanopia

#297F6D

#337B7B

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

#5E8C6D

Warm Bulb 2700K

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

#297F6D

Daylight 5500K

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

#4B9191

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.

#672936

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: #297F6D;

CSS — background

background-color: #297F6D;

CSS Variable

--color-mermaid-sea: #297F6D;

Tailwind v3 — config

colors: { 'mermaid-sea': '#297F6D' }

Tailwind — arbitrary

bg-[#297F6D] text-[#297F6D]

SCSS

$mermaid-sea: #297F6D;

Similar Colors

Lucky Shamrock

#2A806C · ΔE 1.3

Green Gables

#34816F · ΔE 2.0

Highlands Green

#3B7E6F · ΔE 4.9

Geddy Verdigris

#2E8B7E · ΔE 5.6

Garden Green

#007A63 · ΔE 5.9

Juniper Green

#458A74 · ΔE 6.0

Ming Jade

#00745D · ΔE 6.7

Very Green

#17775C · ΔE 7.1

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 #297F6D?

#297F6D is Mermaid Sea, a deep green with a cool undertone.

Is #297F6D warm or cool?

Mermaid Sea reads cool, 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 #297F6D. In RGB it's 41, 127, 109, and in HSL it's 167°, 51%, 33%.

← All colors