GREENS

Blithe Blue

#90BDBD

RGB 144, 189, 189 · HSL 180°, 25%, 65% · CMYK 24, 0, 0, 26

Blithe Blue is #90BDBD in HEX — rgb(144, 189, 189), hsl(180°, 25%, 65%), cmyk(24%, 0%, 0%, 26%).

Blithe Blue pulls into the light end of the greens spectrum — HSL 180°, 25%, 65%. 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#90BDBD

RGB144, 189, 189

HSL180°, 25%, 65%

HSV180°, 24%, 74%

CMYK24, 0, 0, 26

Decimal9485757

CSS RGBrgb(144, 189, 189)

CSS HSLhsl(180, 25%, 65%)

Paint Matches — this color across 16 brands

Sherwin-Williams

Blithe Blue SW9052

Exact match

Dulux

Watchet S30B2

ΔE 0.4 · #8FBCBC

Benjamin Moore

Spirit 676

ΔE 1.1 · #90BDBB

Behr

Norwester N470-4

ΔE 1.3 · #93BCBC

Vista Paint

Stillwater C-686

ΔE 2.3 · #8CC0C0

Hallman-Lindsay

Stillwater 687

ΔE 2.7 · #8CC1C2

PPG

Wright Blue Mist FLLW892

ΔE 3 · #93C0C5

Valspar

Sea Seeker 5004-7C

ΔE 3.7 · #93C5C9

Colorhouse

Dream .04 Dream-04

ΔE 4.1 · #9CC7C4

Kilz

Venice Escape RF250-02

ΔE 4.1 · #80B7B8

RAL

Pastel Turquoise 6034

ΔE 4.5 · #7FB5B5

Farrow & Ball

Blue Ground 210

ΔE 5 · #A1C5C8

Dunn-Edwards

Barrier Reef DE5745

ΔE 6 · #8CAEAC

IKEA

IKEA117 117

ΔE 8.1 · #A6CABF

Kobra

Blue 27

ΔE 10 · #87C8D7

Dutch Boy

Blue Wings VS-9402

ΔE 10.5 · #8AB1C2

Light Reflectance & Undertone

Light Reflectance Value (LRV)

46/100

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

#90BDBD

#BC8F8F

Analogous

#8FBCA6

#90BDBD

#8FA6BC

Triadic

#90BDBD

#BC8FBC

#BCBC8F

Split-Complementary

#90BDBD

#BC8FA6

#BCA68F

Tetradic

#90BDBD

#A68FBC

#BC8F8F

#A6BC8F

Monochromatic

#437070

#609F9F

#90BDBD

#BFD9D9

#EFF5F5

Rectangle

#90BDBD

#8F8FBC

#BC8F8F

#BCBC8F

Compound

#90BDBD

#8FA6BC

#BC8F8F

#BCA68F

Variations

Lighter

#A6C9C9

#BED5D5

#DAE5E5

Darker

#64A5A5

#427474

#264444

Saturation

#9FACAC

#8FBCBC

#6EDEDE

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

2.06:1

Fail

vs Black

10.20:1

AAA

Deuteranopia

#90BDBD

#ACAFBF

Original → Simulated

Protanopia

#90BDBD

#B6B6BD

Original → Simulated

Tritanopia

#90BDBD

#92BCBB

Original → Simulated

Color Psychology

Calm · Restorative

Blithe 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

#ABBAA9

Warm Bulb 2700K

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

#90BDBD

Daylight 5500K

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

#99BFCD

Cool Bulb 6500K

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

Pairs With

#EAECEC

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.

#A97070

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: #90BDBD;

CSS — background

background-color: #90BDBD;

CSS Variable

--color-blithe-blue: #90BDBD;

Tailwind v3 — config

colors: { 'blithe-blue': '#90BDBD' }

Tailwind — arbitrary

bg-[#90BDBD] text-[#90BDBD]

SCSS

$blithe-blue: #90BDBD;

Similar Colors

Spirit in the Sky

#8FBCBA · ΔE 1.2

Tranquil Blue

#94C2C5 · ΔE 2.5

Chesapeake Blue

#94C0C6 · ΔE 3.6

Anderson Blue

#96BFB8 · ΔE 4.0

Kensington Green

#9AB9B5 · ΔE 4.9

Passion Blue

#8DC1CA · ΔE 5.3

Pool Blue

#85C1C8 · ΔE 5.6

St. Lucia Teal

#94B8AF · ΔE 5.7

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 #90BDBD?

#90BDBD is Blithe Blue, a soft green with a cool undertone.

Is #90BDBD warm or cool?

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

What rooms work best with Blithe Blue?

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

What colors pair well with Blithe Blue?

Blithe 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 Blithe Blue?

You can download Blithe 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 Blithe Blue?

The hex code is #90BDBD. In RGB it's 144, 189, 189, and in HSL it's 180°, 25%, 65%.

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