GREENS

Longfellow

#90B1A3

RGB 144, 177, 163 · HSL 155°, 17%, 63% · CMYK 19, 0, 8, 31

Longfellow is #90B1A3 in HEX — rgb(144, 177, 163), hsl(155°, 17%, 63%), cmyk(19%, 0%, 8%, 31%).

Longfellow pulls into the light end of the greens spectrum — HSL 155°, 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#90B1A3

RGB144, 177, 163

HSL155°, 17%, 63%

HSV155°, 19%, 69%

CMYK19, 0, 8, 31

Decimal9482659

CSS RGBrgb(144, 177, 163)

CSS HSLhsl(155, 17%, 63%)

Paint Matches — this color across 16 brands

Hallman-Lindsay

Longfellow historic-longfellow

Exact match

Vista Paint

Longfellow C-1393

ΔE 0.5 · #90B0A2

Sherwin-Williams

Spearmint SW6465

ΔE 1.5 · #94B5A6

PPG

Donnegal 1138-4

ΔE 2 · #8CAEA3

Dunn-Edwards

Treetop DE5710

ΔE 3 · #91B6AC

Benjamin Moore

Covington HC-138

ΔE 3.4 · #94B6AD

Dulux

Corsican S26C4

ΔE 3.4 · #85AC9C

Behr

Dusk Blue BXC-66

ΔE 3.8 · #8DAAA1

Kilz

Winchester Green RG230-02

ΔE 4.1 · #89A699

Valspar

Valley Haze 5004-5C

ΔE 4.1 · #96B7AF

Farrow & Ball

Dix Blue 82

ΔE 6.3 · #99B0AB

Colorhouse

Water .06 Water-06

ΔE 6.4 · #9EAEA3

IKEA

IKEA080 80

ΔE 8.3 · #96BB9F

RAL

Pastel Turquoise 6034

ΔE 9.8 · #7FB5B5

Dutch Boy

Fair Maiden DCP-0456

ΔE 10.4 · #B3C3B9

Kobra

Grey 42

ΔE 18.9 · #889099

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

#90B1A3

#B1919E

Analogous

#91B193

#90B1A3

#91AEB1

Triadic

#90B1A3

#A391B1

#B1A391

Split-Complementary

#90B1A3

#B191AE

#B19391

Tetradic

#90B1A3

#9391B1

#B1919E

#AEB191

Monochromatic

#466257

#668F7E

#90B1A3

#BDD0C8

#EAF0EE

Rectangle

#90B1A3

#919EB1

#B1919E

#B1A391

Compound

#90B1A3

#91AEB1

#B1919E

#B19391

Variations

Lighter

#A7C0B6

#BECFC8

#DAE2DF

Darker

#6A9784

#48695B

#293D35

Saturation

#9CA5A1

#91B1A3

#69D8AA

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

2.33:1

Fail

vs Black

9.00:1

AAA

Deuteranopia

#90B1A3

#A6A5A5

Original → Simulated

Protanopia

#90B1A3

#ACACA5

Original → Simulated

Tritanopia

#90B1A3

#92AEAE

Original → Simulated

Color Psychology

Calm · Restorative

Longfellow 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

#ABB195

Warm Bulb 2700K

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

#90B1A3

Daylight 5500K

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

#99B6BA

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.

#A66B84

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: #90B1A3;

CSS — background

background-color: #90B1A3;

CSS Variable

--color-longfellow: #90B1A3;

Tailwind v3 — config

colors: { 'longfellow': '#90B1A3' }

Tailwind — arbitrary

bg-[#90B1A3] text-[#90B1A3]

SCSS

$longfellow: #90B1A3;

Similar Colors

Covington Blue

#93B5AC · ΔE 3.2

Harrisburg Green

#8AAB98 · ΔE 3.7

Everglades

#83AC9D · ΔE 3.8

St. Lucia Teal

#94B8AF · ΔE 3.8

Appalachian Trail

#A1BEAF · ΔE 5.3

Stratton Blue

#93A9A0 · ΔE 5.3

Dreamcatcher

#9CC1B2 · ΔE 5.8

Scenic Drive

#9CAC9E · ΔE 6.1

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 #90B1A3?

#90B1A3 is Longfellow, a soft green with a cool undertone.

Is #90B1A3 warm or cool?

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

What rooms work best with Longfellow?

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

What colors pair well with Longfellow?

Longfellow 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 Longfellow?

You can download Longfellow 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 Longfellow?

The hex code is #90B1A3. In RGB it's 144, 177, 163, and in HSL it's 155°, 17%, 63%.

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