GREENS

Gentle Sea

#B1E1DF

RGB 177, 225, 223 · HSL 178°, 44%, 79% · CMYK 21, 0, 1, 12

Gentle Sea is #B1E1DF in HEX — rgb(177, 225, 223), hsl(178°, 44%, 79%), cmyk(21%, 0%, 1%, 12%).

Gentle Sea pulls into the airy end of the greens spectrum — HSL 178°, 44%, 79%. 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#B1E1DF

RGB177, 225, 223

HSL178°, 44%, 79%

HSV178°, 21%, 88%

CMYK21, 0, 1, 12

Decimal11657695

CSS RGBrgb(177, 225, 223)

CSS HSLhsl(178, 44%, 79%)

Paint Matches — this color across 16 brands

Behr

Gentle Sea S470-2

Exact match

Dulux

Sea Foam S28F1

ΔE 0.7 · #B1E0DD

Valspar

Frosty 5006-9B

ΔE 1.5 · #B5E5E2

PPG

Seascape Green 1233-4

ΔE 1.6 · #B5E4E4

Benjamin Moore

Blue 736

ΔE 1.7 · #B7E3E2

Kilz

Sailing Water TB-53

ΔE 2.6 · #B6DEDB

Sherwin-Williams

Spa SW6765

ΔE 2.7 · #A7DCDC

Hallman-Lindsay

Outerspace 686

ΔE 2.8 · #B4DCDA

Vista Paint

Christopher Coast K-205

ΔE 3.1 · #A7DDDF

Dunn-Edwards

Soaring Sky DE5736

ΔE 3.6 · #B9E5E8

Colorhouse

Dream .02 Dream-02

ΔE 4 · #BDE1DD

IKEA

IKEA045 45

ΔE 5.1 · #BBE1D7

Farrow & Ball

Blue Ground 210

ΔE 10.3 · #A1C5C8

RAL

Light Green 6027

ΔE 12.8 · #84C3BE

Dutch Boy

Mellow Blue DCP-0468

ΔE 13.3 · #DDE8E2

Kobra

Blue 27

ΔE 13.7 · #87C8D7

Light Reflectance & Undertone

Light Reflectance Value (LRV)

69/100

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

#B1E1DF

#E1B2B3

Analogous

#B2E1C8

#B1E1DF

#B2CBE1

Triadic

#B1E1DF

#DFB2E1

#E1DFB2

Split-Complementary

#B1E1DF

#E1B2CB

#E1C8B2

Tetradic

#B1E1DF

#C8B2E1

#E1B2B3

#CBE1B2

Monochromatic

#46B4B0

#7BCCC9

#B1E1DF

#E9F6F6

#EDF8F7

Rectangle

#B1E1DF

#B2B3E1

#E1B2B3

#E1DFB2

Compound

#B1E1DF

#B2CBE1

#E1B2B3

#E1C8B2

Variations

Lighter

#C1E7E6

#D3EBEA

#E6F2F2

Darker

#76CDCA

#39A4A1

#20615F

Saturation

#C2D1D0

#B2E1DF

#A3F0ED

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

1.43:1

Fail

vs Black

14.71:1

AAA

Deuteranopia

#B1E1DF

#CED2E1

Original → Simulated

Protanopia

#B1E1DF

#DADADF

Original → Simulated

Tritanopia

#B1E1DF

#B3E0DE

Original → Simulated

Color Psychology

Calm · Restorative

Gentle 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

#C4D5C2

Warm Bulb 2700K

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

#B1E1DF

Daylight 5500K

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

#B1DAE7

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.

#CB8C8E

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 · Trim · Ceilings · 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: #B1E1DF;

CSS — background

background-color: #B1E1DF;

CSS Variable

--color-gentle-sea: #B1E1DF;

Tailwind v3 — config

colors: { 'gentle-sea': '#B1E1DF' }

Tailwind — arbitrary

bg-[#B1E1DF] text-[#B1E1DF]

SCSS

$gentle-sea: #B1E1DF;

Similar Colors

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#B6E2E1 · ΔE 1.6

San Clemente Teal

#AAE0DF · ΔE 2.0

Jamaican Aqua

#B3E8E6 · ΔE 2.6

Oceanfront

#ADE1DA · ΔE 3.1

Maritime Blue

#B2DDD6 · ΔE 3.2

Seabrook

#B7DFE2 · ΔE 3.9

China Blue

#B3DBDE · ΔE 4.1

Jack Frost

#C1E7E5 · ΔE 4.2

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 #B1E1DF?

#B1E1DF is Gentle Sea, a soft green with a cool undertone.

Is #B1E1DF warm or cool?

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

What rooms work best with Gentle Sea?

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

What colors pair well with Gentle Sea?

Gentle 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 Gentle Sea?

You can download Gentle 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 Gentle Sea?

The hex code is #B1E1DF. In RGB it's 177, 225, 223, and in HSL it's 178°, 44%, 79%.

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