GREENS

Betta Fish

#3A6B66

RGB 58, 107, 102 · HSL 174°, 30%, 32% · CMYK 46, 0, 5, 58

Betta Fish is #3A6B66 in HEX — rgb(58, 107, 102), hsl(174°, 30%, 32%), cmyk(46%, 0%, 5%, 58%).

Betta Fish pulls into the rich end of the greens spectrum — HSL 174°, 30%, 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#3A6B66

RGB58, 107, 102

HSL174°, 30%, 32%

HSV174°, 46%, 42%

CMYK46, 0, 5, 58

Decimal3828582

CSS RGBrgb(58, 107, 102)

CSS HSLhsl(174, 30%, 32%)

Paint Matches — this color across 16 brands

Behr

Mythic Forest 500F-7

ΔE 1.6 · #356A67

Sherwin-Williams

Green Bay SW6481

ΔE 2.8 · #2E6864

Dulux

Moat S30A6

ΔE 3 · #3E6B6A

Valspar

Artisan Green 5009-7

ΔE 3.5 · #35716C

Benjamin Moore

Casco 2051-30

ΔE 4 · #316F6E

PPG

Smoky Emerald 1143-6

ΔE 4.8 · #4C726B

Kilz

Teal Green RG100-01

ΔE 5.2 · #36746C

Dunn-Edwards

Imperial Dynasty DE5727

ΔE 6 · #33746B

Vista Paint

Mandalay Bay K-217

ΔE 6.2 · #4C7474

Hallman-Lindsay

Plateau 704

ΔE 7.3 · #49665A

RAL

Mint Turquoise 6033

ΔE 7.6 · #497E76

Colorhouse

Wool .05 Wool-05

ΔE 8.9 · #587675

Farrow & Ball

Vardo 288

ΔE 9.7 · #427E83

IKEA

IKEA118 118

ΔE 11.1 · #317983

Dutch Boy

Ocean Blue D-6743

ΔE 11.9 · #4C6A74

Kobra

Green 38

ΔE 13.1 · #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

#3A6B66

#6A393E

Analogous

#396A4D

#3A6B66

#39566A

Triadic

#3A6B66

#65396A

#6A6539

Split-Complementary

#3A6B66

#6A3956

#6A4D39

Tetradic

#3A6B66

#4D396A

#6A393E

#566A39

Monochromatic

#091110

#1E3836

#3A6B66

#549C95

#81BBB5

Rectangle

#3A6B66

#393E6A

#6A393E

#6A6539

Compound

#3A6B66

#39566A

#6A393E

#6A4D39

Variations

Lighter

#519790

#7CB1AC

#B6CFCD

Darker

#2D5652

#1E3C39

#112321

Saturation

#4A5957

#396A65

#1D877C

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

6.04:1

vs Black

3.47:1

AA Large

Deuteranopia

#3A6B66

#5B5D67

Original → Simulated

Protanopia

#3A6B66

#656567

Original → Simulated

Tritanopia

#3A6B66

#3D6969

Original → Simulated

Color Psychology

Calm · Restorative

Betta Fish 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

#6B7D68

Warm Bulb 2700K

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

#3A6B66

Daylight 5500K

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

#58828C

Cool Bulb 6500K

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

Pairs With

#E9ECEB

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.

#573437

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: #3A6B66;

CSS — background

background-color: #3A6B66;

CSS Variable

--color-betta-fish: #3A6B66;

Tailwind v3 — config

colors: { 'betta-fish': '#3A6B66' }

Tailwind — arbitrary

bg-[#3A6B66] text-[#3A6B66]

SCSS

$betta-fish: #3A6B66;

Similar Colors

Newport Green

#3E7371 · ΔE 3.7

Casco Bay

#306E6D · ΔE 3.9

Dragonfly

#3D615E · ΔE 5.4

Pine Green

#2D5D5A · ΔE 5.7

Brazilian Rainforest

#336155 · ΔE 6.1

Intercoastal Green

#2E7572 · ΔE 6.3

Steamed Spinach

#407465 · ΔE 7.0

Polar Jade

#4E6C6B · ΔE 7.1

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 #3A6B66?

#3A6B66 is Betta Fish, a deep green with a cool undertone.

Is #3A6B66 warm or cool?

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

What rooms work best with Betta Fish?

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

What colors pair well with Betta Fish?

Betta Fish 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 Betta Fish?

You can download Betta Fish 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 Betta Fish?

The hex code is #3A6B66. In RGB it's 58, 107, 102, and in HSL it's 174°, 30%, 32%.

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