GREENS

Basin Blue

#B9DEE4

RGB 185, 222, 228 · HSL 188°, 44%, 81% · CMYK 19, 3, 0, 11

Basin Blue is #B9DEE4 in HEX — rgb(185, 222, 228), hsl(188°, 44%, 81%), cmyk(19%, 3%, 0%, 11%).

Basin Blue pulls into the airy end of the greens spectrum — HSL 188°, 44%, 81%. 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#B9DEE4

RGB185, 222, 228

HSL188°, 44%, 81%

HSV188°, 19%, 89%

CMYK19, 3, 0, 11

Decimal12181220

CSS RGBrgb(185, 222, 228)

CSS HSLhsl(188, 44%, 81%)

Paint Matches — this color across 16 brands

Benjamin Moore

Picture 743

ΔE 0.8 · #BADDE2

Dunn-Edwards

Blue Moon DE5764

ΔE 0.9 · #BBDEE5

Kilz

Eastern Promise RF230-01

ΔE 1.4 · #BDE0E4

Dulux

Blue Glint Quarter S33D1Q

ΔE 1.4 · #BCE0E8

Valspar

Harbor Mist 5003-7A

ΔE 1.6 · #BADBE0

Sherwin-Williams

Minor Blue SW6792

ΔE 1.8 · #B7DFE8

Vista Paint

Bright Vision K-190

ΔE 1.9 · #BFE3E9

Hallman-Lindsay

Kyoto 657

ΔE 1.9 · #BEE3EA

IKEA

IKEA083 83

ΔE 2.2 · #B6DCE6

PPG

Everglade Mist 1150-3

ΔE 2.7 · #B7D7DE

Behr

Silver Strand 560E-3

ΔE 2.8 · #BAD8DE

Colorhouse

Dream .01 Dream-01

ΔE 4.7 · #CAE9EE

Farrow & Ball

Blue Ground 210

ΔE 9.1 · #A1C5C8

Dutch Boy

Mellow Blue DCP-0468

ΔE 11.6 · #DDE8E2

RAL

Papyrus White 9018

ΔE 12.8 · #D7D7D7

Kobra

Blue 27

ΔE 13.1 · #87C8D7

Light Reflectance & Undertone

Light Reflectance Value (LRV)

68/100

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

#B9DEE4

#E4BFB9

Analogous

#B9E4D4

#B9DEE4

#B9C9E4

Triadic

#B9DEE4

#E4B9DE

#DEE4B9

Split-Complementary

#B9DEE4

#E4B9C9

#E4D4B9

Tetradic

#B9DEE4

#D4B9E4

#E4BFB9

#C9E4B9

Monochromatic

#4BAAB9

#82C4CE

#B9DEE4

#EDF6F8

Rectangle

#B9DEE4

#BFB9E4

#E4BFB9

#DEE4B9

Compound

#B9DEE4

#B9C9E4

#E4BFB9

#E4D4B9

Variations

Lighter

#C7E5E9

#D7EAED

#E9F2F3

Darker

#7CC4CF

#3B9AA9

#215B64

Saturation

#C8D3D5

#B9DEE4

#ACE8F1

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

1.44:1

Fail

vs Black

14.63:1

AAA

Deuteranopia

#B9DEE4

#CED3E6

Original → Simulated

Protanopia

#B9DEE4

#D8D8E3

Original → Simulated

Tritanopia

#B9DEE4

#BADEDC

Original → Simulated

Color Psychology

Calm · Restorative

Basin Blue 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

#CAD3C6

Warm Bulb 2700K

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

#B9DEE4

Daylight 5500K

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

#B7D8EA

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.

#CD9A92

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) · Semi-gloss (trim) · Flat (ceiling)

Light tones absorb less light than expected — eggshell adds warmth on walls, semi-gloss gives trim crisp definition against pale walls.

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; pale colors typically need 2 coats for full opacity.

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: #B9DEE4;

CSS — background

background-color: #B9DEE4;

CSS Variable

--color-basin-blue: #B9DEE4;

Tailwind v3 — config

colors: { 'basin-blue': '#B9DEE4' }

Tailwind — arbitrary

bg-[#B9DEE4] text-[#B9DEE4]

SCSS

$basin-blue: #B9DEE4;

Similar Colors

Skyscraper

#B7DFE5 · ΔE 1.0

Picture Perfect

#B9DCE1 · ΔE 1.0

Tear Drop Blue

#B8DAE0 · ΔE 1.6

Seabrook

#B7DFE2 · ΔE 1.9

China Blue

#B3DBDE · ΔE 2.4

Blue Allure

#C0DFE7 · ΔE 2.4

Blue Flower

#B5DAE4 · ΔE 2.5

Old Pickup Blue

#B0DAE3 · ΔE 2.7

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 #B9DEE4?

#B9DEE4 is Basin Blue, a soft green with a cool undertone.

Is #B9DEE4 warm or cool?

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

What rooms work best with Basin Blue?

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

What colors pair well with Basin Blue?

Basin Blue 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 Basin Blue?

You can download Basin Blue 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 Basin Blue?

The hex code is #B9DEE4. In RGB it's 185, 222, 228, and in HSL it's 188°, 44%, 81%.

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