GREENS

Sea Treasure

#78D1B1

RGB 120, 209, 177 · HSL 158°, 49%, 65% · CMYK 43, 0, 15, 18

Sea Treasure is #78D1B1 in HEX — rgb(120, 209, 177), hsl(158°, 49%, 65%), cmyk(43%, 0%, 15%, 18%).

Sea Treasure pulls into the light end of the greens spectrum — HSL 158°, 49%, 65%. 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#78D1B1

RGB120, 209, 177

HSL158°, 49%, 65%

HSV158°, 43%, 82%

CMYK43, 0, 15, 18

Decimal7918001

CSS RGBrgb(120, 209, 177)

CSS HSLhsl(158, 49%, 65%)

Paint Matches — this color across 16 brands

Valspar

Lavish Green 6002-10A

ΔE 1.5 · #73CDAE

Dulux

Puppeteers S26G4

ΔE 2.5 · #79CDB0

Vista Paint

Esmerelda K-283

ΔE 2.6 · #7ED8B9

Benjamin Moore

Florida 578

ΔE 3.9 · #87D3B3

Hallman-Lindsay

Aquamarine Ocean 715

ΔE 4 · #82CDAD

PPG

Crystal Gem 1227-4

ΔE 4.9 · #79D0A7

Dunn-Edwards

Star Grass DE5682

ΔE 5.4 · #75DBC1

Behr

Summer Dragonfly M440-4

ΔE 6.4 · #7DCDA2

Kobra

Green 32

ΔE 6.5 · #75C89E

Kilz

Beach Toy RG140-02

ΔE 8.9 · #6ACABA

Sherwin-Williams

Lark Green SW6745

ΔE 10.8 · #8AC1A1

IKEA

IKEA165 165

ΔE 14.6 · #91D0C5

Farrow & Ball

Arsenic 214

ΔE 15 · #84B59C

Colorhouse

Thrive .04 Thrive-04

ΔE 16.1 · #A2C8A1

RAL

Light Green 6027

ΔE 17.6 · #84C3BE

Dutch Boy

Perrenial Garden DCP-0759

ΔE 20.7 · #9AB68E

Light Reflectance & Undertone

Light Reflectance Value (LRV)

53/100

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

#78D1B1

#D17A9A

Analogous

#7AD186

#78D1B1

#7AC6D1

Triadic

#78D1B1

#B17AD1

#D1B17A

Split-Complementary

#78D1B1

#D17AC6

#D1867A

Tetradic

#78D1B1

#867AD1

#D17A9A

#C6D17A

Monochromatic

#2E8565

#41BE90

#78D1B1

#B3E5D3

#ECF8F4

Rectangle

#78D1B1

#7A9AD1

#D17A9A

#D1B17A

Compound

#78D1B1

#7AC6D1

#D17A9A

#D1867A

Variations

Lighter

#95DBC1

#B3E0CF

#D5EAE3

Darker

#46C495

#2A8C68

#17533D

Saturation

#99B3A9

#7AD1B1

#63E8B7

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

1.82:1

Fail

vs Black

11.55:1

AAA

Deuteranopia

#78D1B1

#B7B6B4

Original → Simulated

Protanopia

#78D1B1

#C5C5B6

Original → Simulated

Tritanopia

#78D1B1

#80CBCB

Original → Simulated

Color Psychology

Calm · Restorative

Sea 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

#99C9A0

Warm Bulb 2700K

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

#78D1B1

Daylight 5500K

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

#87CEC4

Cool Bulb 6500K

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

Pairs With

#E9ECEB

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.

#BC5D80

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: #78D1B1;

CSS — background

background-color: #78D1B1;

CSS Variable

--color-sea-treasure: #78D1B1;

Tailwind v3 — config

colors: { 'sea-treasure': '#78D1B1' }

Tailwind — arbitrary

bg-[#78D1B1] text-[#78D1B1]

SCSS

$sea-treasure: #78D1B1;

Similar Colors

Florida Keys

#86D2B2 · ΔE 3.8

Cliffside Park

#75C8A2 · ΔE 4.8

Spring Fresh

#89D6BD · ΔE 6.1

Fresh Green

#83DDC5 · ΔE 6.3

Rosamilia Green

#66BFA0 · ΔE 6.4

Monmouth Green

#5BC2A2 · ΔE 6.9

Greenwood Lake

#94E1C2 · ΔE 7.3

Island Paradise

#5BC1A9 · ΔE 7.7

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 #78D1B1?

#78D1B1 is Sea Treasure, a soft green with a cool undertone.

Is #78D1B1 warm or cool?

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

What rooms work best with Sea Treasure?

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

What colors pair well with Sea Treasure?

Sea 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 Sea Treasure?

You can download Sea 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 Sea Treasure?

The hex code is #78D1B1. In RGB it's 120, 209, 177, and in HSL it's 158°, 49%, 65%.

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