GREENS

Thalassa

#53B1BA

RGB 83, 177, 186 · HSL 185°, 43%, 53% · CMYK 55, 5, 0, 27

Thalassa is #53B1BA in HEX — rgb(83, 177, 186), hsl(185°, 43%, 53%), cmyk(55%, 5%, 0%, 27%).

Thalassa pulls into the mid-tone end of the greens spectrum — HSL 185°, 43%, 53%. The muted saturation makes it quiet but present, 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#53B1BA

RGB83, 177, 186

HSL185°, 43%, 53%

HSV185°, 55%, 73%

CMYK55, 5, 0, 27

Decimal5484986

CSS RGBrgb(83, 177, 186)

CSS HSLhsl(185, 43%, 53%)

Paint Matches — this color across 16 brands

Dulux

Finnish Fiord S31F3

ΔE 2.5 · #5DB3BE

Vista Paint

Brookside K-202

ΔE 2.9 · #4AA9B2

Benjamin Moore

Harbor 740

ΔE 3.4 · #5DB6BA

Dunn-Edwards

Gulf Stream DE5759

ΔE 3.8 · #62B4C0

Behr

Adonis MQ4-51

ΔE 3.8 · #5FB2BF

Valspar

Rushing Stream 5005-10B

ΔE 4.2 · #46B3B8

Sherwin-Williams

Freshwater SW6774

ΔE 4.5 · #4DA6B2

Kilz

Deep Turquoise RF120-01

ΔE 5 · #57A8AB

PPG

Biscay Bay 1234-5

ΔE 5.6 · #4FB3B3

Hallman-Lindsay

Enchanted Evening 673

ΔE 7.7 · #63C3D3

Kobra

Blue 28

ΔE 9.6 · #4EB3CD

RAL

Pastel Turquoise 6034

ΔE 11 · #7FB5B5

Dutch Boy

Sky Blue D-6742

ΔE 12.2 · #7AC2D8

IKEA

IKEA082 82

ΔE 14.5 · #729E9C

Colorhouse

Dream .04 Dream-04

ΔE 17.5 · #9CC7C4

Farrow & Ball

Blue Ground 210

ΔE 18.6 · #A1C5C8

Light Reflectance & Undertone

Light Reflectance Value (LRV)

37/100

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

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

#53B1BA

#BB5C54

Analogous

#54BB90

#53B1BA

#547FBB

Triadic

#53B1BA

#BB54B2

#B2BB54

Split-Complementary

#53B1BA

#BB547F

#BB9054

Tetradic

#53B1BA

#9054BB

#BB5C54

#7FBB54

Monochromatic

#215054

#37848B

#53B1BA

#8ACBD0

#C1E3E6

Rectangle

#53B1BA

#5C54BB

#BB5C54

#B2BB54

Compound

#53B1BA

#547FBB

#BB5C54

#BB9054

Variations

Lighter

#76C1C8

#9DCDD1

#C8E0E2

Darker

#3B959D

#27686D

#163D41

Saturation

#789497

#54B2BB

#31CFDD

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

2.51:1

Fail

vs Black

8.37:1

AAA

Deuteranopia

#53B1BA

#909ABC

Original → Simulated

Protanopia

#53B1BA

#A6A6B9

Original → Simulated

Tritanopia

#53B1BA

#56B1AE

Original → Simulated

Color Psychology

Calm · Restorative

Thalassa 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

#7EB1A7

Warm Bulb 2700K

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

#53B1BA

Daylight 5500K

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

#6BB6CB

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.

#9D5049

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: #53B1BA;

CSS — background

background-color: #53B1BA;

CSS Variable

--color-thalassa: #53B1BA;

Tailwind v3 — config

colors: { 'thalassa': '#53B1BA' }

Tailwind — arbitrary

bg-[#53B1BA] text-[#53B1BA]

SCSS

$thalassa: #53B1BA;

Similar Colors

Harbor Side Blue

#5CB5B9 · ΔE 3.2

Santa Clara

#57ABB7 · ΔE 3.6

Baltimore Sky

#45ADBE · ΔE 4.8

Peacock Blue

#61ACAE · ΔE 5.5

Burbank Blue

#68C1C3 · ΔE 6.9

Madison Avenue

#6BC0CE · ΔE 7.0

Cool Aqua

#18AFBB · ΔE 7.5

Palm Coast Teal

#3AA9A9 · ΔE 7.6

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 #53B1BA?

#53B1BA is Thalassa, a mid-tone green with a cool undertone.

Is #53B1BA warm or cool?

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

What rooms work best with Thalassa?

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

What colors pair well with Thalassa?

Thalassa 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 Thalassa?

You can download Thalassa 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 Thalassa?

The hex code is #53B1BA. In RGB it's 83, 177, 186, and in HSL it's 185°, 43%, 53%.

← All colors