GREENS

Undersea

#90B1AE

RGB 144, 177, 174 · HSL 175°, 17%, 63% · CMYK 19, 0, 2, 31

Undersea is #90B1AE in HEX — rgb(144, 177, 174), hsl(175°, 17%, 63%), cmyk(19%, 0%, 2%, 31%).

Undersea pulls into the light end of the greens spectrum — HSL 175°, 17%, 63%. The neutral saturation makes it near-neutral and forgiving, 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#90B1AE

RGB144, 177, 174

HSL175°, 17%, 63%

HSV175°, 19%, 69%

CMYK19, 0, 2, 31

Decimal9482670

CSS RGBrgb(144, 177, 174)

CSS HSLhsl(175, 17%, 63%)

Paint Matches — this color across 16 brands

Sherwin-Williams

Drizzle SW6479

ΔE 1.2 · #8CAEAB

Dunn-Edwards

Barrier Reef DE5745

ΔE 1.3 · #8CAEAC

Dulux

Baroque Blue S28B3

ΔE 2 · #95B6B4

Behr

Stone Fence 720F-4

ΔE 2.3 · #8AACA7

Valspar

Turquoise Porcelain 5002-5C

ΔE 2.5 · #8CB3B3

Kilz

Foggy Promenade RF260-01

ΔE 2.5 · #93B2B3

PPG

Parakeet Pete 1143-4

ΔE 3 · #94B1A9

Benjamin Moore

Kensington 710

ΔE 3.5 · #9BBAB6

Farrow & Ball

Dix Blue 82

ΔE 3.6 · #99B0AB

Vista Paint

Acapulco Aqua K-219

ΔE 4.3 · #82A9AA

Hallman-Lindsay

Peg's Promise 702

ΔE 4.4 · #8CACA2

Colorhouse

Water .04 Water-04

ΔE 5 · #9FB4B4

RAL

Pastel Turquoise 6034

ΔE 6.7 · #7FB5B5

IKEA

IKEA082 82

ΔE 8.6 · #729E9C

Dutch Boy

Fair Maiden DCP-0456

ΔE 10.3 · #B3C3B9

Kobra

Blue 27

ΔE 14.7 · #87C8D7

Light Reflectance & Undertone

Light Reflectance Value (LRV)

40/100

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

#90B1AE

#B19193

Analogous

#91B19E

#90B1AE

#91A3B1

Triadic

#90B1AE

#AE91B1

#B1AE91

Split-Complementary

#90B1AE

#B191A3

#B19E91

Tetradic

#90B1AE

#9E91B1

#B19193

#A3B191

Monochromatic

#466260

#668F8C

#90B1AE

#BDD0CF

#EAF0F0

Rectangle

#90B1AE

#9193B1

#B19193

#B1AE91

Compound

#90B1AE

#91A3B1

#B19193

#B19E91

Variations

Lighter

#A7C0BE

#BECFCD

#DAE2E1

Darker

#6A9793

#486966

#293D3C

Saturation

#9CA5A5

#91B1AE

#69D8CF

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

2.31:1

Fail

vs Black

9.09:1

AAA

Deuteranopia

#90B1AE

#A4A6AF

Original → Simulated

Protanopia

#90B1AE

#ACACAE

Original → Simulated

Tritanopia

#90B1AE

#91B0AF

Original → Simulated

Color Psychology

Calm · Restorative

Undersea 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

#ABB19E

Warm Bulb 2700K

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

#90B1AE

Daylight 5500K

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

#99B6C2

Cool Bulb 6500K

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

Pairs With

#EAEBEB

Trim

Matched off-white

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

#F7F7F7

Ceiling

Whisper tint

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

#A66B70

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: #90B1AE;

CSS — background

background-color: #90B1AE;

CSS Variable

--color-undersea: #90B1AE;

Tailwind v3 — config

colors: { 'undersea': '#90B1AE' }

Tailwind — arbitrary

bg-[#90B1AE] text-[#90B1AE]

SCSS

$undersea: #90B1AE;

Similar Colors

Kensington Green

#9AB9B5 · ΔE 3.2

Covington Blue

#93B5AC · ΔE 3.6

St. Lucia Teal

#94B8AF · ΔE 4.2

Spirit in the Sky

#8FBCBA · ΔE 5.1

Ocean City Blue

#97B2B7 · ΔE 5.1

Boca Raton Blue

#82A3A3 · ΔE 5.4

Stratton Blue

#93A9A0 · ΔE 5.4

Silken Blue

#9BAFB1 · ΔE 5.5

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 #90B1AE?

#90B1AE is Undersea, a soft green with a cool undertone.

Is #90B1AE warm or cool?

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

What rooms work best with Undersea?

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

What colors pair well with Undersea?

Undersea 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 Undersea?

You can download Undersea 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 Undersea?

The hex code is #90B1AE. In RGB it's 144, 177, 174, and in HSL it's 175°, 17%, 63%.

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