GREENS

Aquarium

#356B6F

RGB 53, 107, 111 · HSL 184°, 35%, 32% · CMYK 52, 4, 0, 56

Aquarium is #356B6F in HEX — rgb(53, 107, 111), hsl(184°, 35%, 32%), cmyk(52%, 4%, 0%, 56%).

Aquarium pulls into the rich end of the greens spectrum — HSL 184°, 35%, 32%. 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#356B6F

RGB53, 107, 111

HSL184°, 35%, 32%

HSV184°, 52%, 44%

CMYK52, 4, 0, 56

Decimal3500911

CSS RGBrgb(53, 107, 111)

CSS HSLhsl(184, 35%, 32%)

Paint Matches — this color across 16 brands

Dulux

Aquarium S31A6

ΔE 1.6 · #356D6F

Valspar

Ocean Slumber 5004-8C

ΔE 2.2 · #3D6F74

Kilz

Tempest RE290-01

ΔE 2.4 · #3A6C73

Benjamin Moore

Casco 2051-30

ΔE 4.2 · #316F6E

Vista Paint

Time for Teal K-209

ΔE 4.2 · #38757B

Behr

Mythic Forest 500F-7

ΔE 4.4 · #356A67

Dunn-Edwards

Peacock Plume DE5741

ΔE 4.8 · #206D71

Sherwin-Williams

Deep Sea Dive SW7618

ΔE 5.1 · #376167

PPG

Caribbean Holiday 13-28

ΔE 5.4 · #1C6B75

RAL

Water Blue 5021

ΔE 6.6 · #256D7B

IKEA

IKEA118 118

ΔE 7.1 · #317983

Farrow & Ball

Vardo 288

ΔE 7.5 · #427E83

Hallman-Lindsay

Joyful Tears 683

ΔE 7.6 · #006669

Colorhouse

Dream .06 Dream-06

ΔE 7.6 · #0E707B

Dutch Boy

Ocean Blue D-6743

ΔE 8.6 · #4C6A74

Kobra

Green 38

ΔE 16.1 · #415448

Light Reflectance & Undertone

Light Reflectance Value (LRV)

12/100

Dark

0 · DarkLight · 100

Soaks up light and feels moody and intimate. Great for studies, dining rooms and accent walls; pair with ample lighting.

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

#356B6F

#6E3935

Analogous

#356E55

#356B6F

#354E6E

Triadic

#356B6F

#6E356A

#6A6E35

Split-Complementary

#356B6F

#6E354E

#6E5535

Tetradic

#356B6F

#55356E

#6E3935

#4E6E35

Monochromatic

#081111

#1C383B

#356B6F

#4E9CA2

#7CBBC0

Rectangle

#356B6F

#39356E

#6E3935

#6A6E35

Compound

#356B6F

#354E6E

#6E3935

#6E5535

Variations

Lighter

#4C989D

#78B2B6

#B3CFD1

Darker

#295659

#1C3C3E

#102325

Saturation

#49595A

#356A6E

#1B8189

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

6.03:1

vs Black

3.48:1

AA Large

Deuteranopia

#356B6F

#585D70

Original → Simulated

Protanopia

#356B6F

#64646E

Original → Simulated

Tritanopia

#356B6F

#376B69

Original → Simulated

Color Psychology

Calm · Restorative

Aquarium 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

#677D6E

Warm Bulb 2700K

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

#356B6F

Daylight 5500K

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

#548293

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.

#5A3331

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: #356B6F;

CSS — background

background-color: #356B6F;

CSS Variable

--color-aquarium: #356B6F;

Tailwind v3 — config

colors: { 'aquarium': '#356B6F' }

Tailwind — arbitrary

bg-[#356B6F] text-[#356B6F]

SCSS

$aquarium: #356B6F;

Similar Colors

Casco Bay

#306E6D · ΔE 4.1

North Sea Green

#236D73 · ΔE 4.2

Newport Green

#3E7371 · ΔE 4.8

Fair Isle Blue

#496E73 · ΔE 5.4

Varsity Blues

#226977 · ΔE 6.5

Teal Ocean

#29777B · ΔE 6.7

Coat of Arms

#3C6C7A · ΔE 6.9

Dark Teal

#255A5E · ΔE 6.9

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 #356B6F?

#356B6F is Aquarium, a deep green with a cool undertone.

Is #356B6F warm or cool?

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

What rooms work best with Aquarium?

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

What colors pair well with Aquarium?

Aquarium 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 Aquarium?

You can download Aquarium 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 Aquarium?

The hex code is #356B6F. In RGB it's 53, 107, 111, and in HSL it's 184°, 35%, 32%.

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