GREENS

Sea Glass

#3A5A55

RGB 58, 90, 85 · HSL 171°, 22%, 29% · CMYK 36, 0, 6, 65

Sea Glass is #3A5A55 in HEX — rgb(58, 90, 85), hsl(171°, 22%, 29%), cmyk(36%, 0%, 6%, 65%).

Sea Glass pulls into the deep end of the greens spectrum — HSL 171°, 22%, 29%. 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#3A5A55

RGB58, 90, 85

HSL171°, 22%, 29%

HSV171°, 36%, 35%

CMYK36, 0, 6, 65

Decimal3824213

CSS RGBrgb(58, 90, 85)

CSS HSLhsl(171, 22%, 29%)

Paint Matches — this color across 16 brands

PPG

Sea Glass 13-30

Exact match

Valspar

Favorite Green 5011-4

ΔE 1.9 · #365952

Benjamin Moore

Dollar 2050-20

ΔE 2.5 · #335755

Behr

Midnight In Ny N440-7

ΔE 2.5 · #385654

Dunn-Edwards

Enchanting Ivy DEA179

ΔE 2.7 · #315955

Dulux

Concealment S27A8

ΔE 3 · #405851

Kilz

Deep Spruce RG290-02

ΔE 3.7 · #39544B

Hallman-Lindsay

Gedney Green historic-gedney-green

ΔE 5.1 · #40534E

Vista Paint

Gedney Green C-1412

ΔE 5.6 · #43544F

Sherwin-Williams

Billiard Green SW0016

ΔE 5.8 · #45584D

Kobra

Green 38

ΔE 6.4 · #415448

RAL

Pine Green 6028

ΔE 8.6 · #2C5545

Farrow & Ball

Inchyra Blue 289

ΔE 10.2 · #586768

IKEA

IKEA152 152

ΔE 11.1 · #494F50

Colorhouse

Metal .05 Metal-05

ΔE 11.5 · #535654

Dutch Boy

Dark Green D-6751

ΔE 11.7 · #214136

Light Reflectance & Undertone

Light Reflectance Value (LRV)

9/100

Very Dark

0 · DarkLight · 100

Absorbs almost all light — dramatic and cocooning. Needs strong artificial lighting and works best as an accent or in well-lit rooms.

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

#3A5A55

#5A3A3F

Analogous

#3A5A45

#3A5A55

#3A4F5A

Triadic

#3A5A55

#553A5A

#5A553A

Split-Complementary

#3A5A55

#5A3A4F

#5A453A

Tetradic

#3A5A55

#453A5A

#5A3A3F

#4F5A3A

Monochromatic

#0A100F

#1C2C29

#3A5A55

#588981

#7FADA7

Rectangle

#3A5A55

#3A3F5A

#5A3A3F

#5A553A

Compound

#3A5A55

#3A4F5A

#5A3A3F

#5A453A

Variations

Lighter

#56867F

#7EA7A1

#B6C9C6

Darker

#2D4945

#1F3330

#121E1C

Saturation

#454F4D

#3A5A55

#1D776A

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

7.57:1

AAA

vs Black

2.77:1

Fail

Deuteranopia

#3A5A55

#4F5056

Original → Simulated

Protanopia

#3A5A55

#565656

Original → Simulated

Tritanopia

#3A5A55

#3C5958

Original → Simulated

Color Psychology

Calm · Restorative

Sea Glass 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

#6B705B

Warm Bulb 2700K

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

#3A5A55

Daylight 5500K

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

#58757F

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.

#F7F8F7

Ceiling

Whisper tint

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

#4F2F34

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 · Doors · Mouldings

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: #3A5A55;

CSS — background

background-color: #3A5A55;

CSS Variable

--color-sea-glass: #3A5A55;

Tailwind v3 — config

colors: { 'sea-glass': '#3A5A55' }

Tailwind — arbitrary

bg-[#3A5A55] text-[#3A5A55]

SCSS

$sea-glass: #3A5A55;

Similar Colors

Garden Cucumber

#3E5C53 · ΔE 2.6

Dollar Bill Green

#325654 · ΔE 2.8

Dragonfly

#3D615E · ΔE 3.2

Yukon Green

#2F534F · ΔE 3.4

Tarrytown Green

#415752 · ΔE 3.6

Goodwin Green

#435851 · ΔE 4.0

Crisp Romaine

#445851 · ΔE 4.4

Pine Green

#2D5D5A · ΔE 4.8

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 #3A5A55?

#3A5A55 is Sea Glass, a deep green with a cool undertone.

Is #3A5A55 warm or cool?

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

What rooms work best with Sea Glass?

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

What colors pair well with Sea Glass?

Sea Glass 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 Sea Glass?

You can download Sea Glass 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 Sea Glass?

The hex code is #3A5A55. In RGB it's 58, 90, 85, and in HSL it's 171°, 22%, 29%.

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