GREENS

Biopunk

#66FF55

RGB 102, 255, 85 · HSL 114°, 100%, 67% · CMYK 60, 0, 67, 0

Biopunk is #66FF55 in HEX — rgb(102, 255, 85), hsl(114°, 100%, 67%), cmyk(60%, 0%, 67%, 0%).

Biopunk pulls into the light end of the greens spectrum — HSL 114°, 100%, 67%. The saturated saturation makes it bold and immediate, and the hue reads warm. 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#66FF55

RGB102, 255, 85

HSL114°, 100%, 67%

HSV114°, 67%, 100%

CMYK60, 0, 67, 0

Decimal6750037

CSS RGBrgb(102, 255, 85)

CSS HSLhsl(114, 100%, 67%)

Paint Matches — this color across 16 brands

Behr

Lady Luck 450B-5

ΔE 3.6 · #60FB48

RAL

Luminous Green 6038

ΔE 25.5 · #00BB2D

Dulux

Effervescent Lime S21H9 · SB8B6

ΔE 30.2 · #9EDA2C

Kobra

Fluo 52

ΔE 31 · #00B131

Benjamin Moore

Paradise 2031-20

ΔE 32.9 · #63B525

Vista Paint

Wilderness Retreat K-320

ΔE 33.4 · #5AB32C

Dutch Boy

Temptations VS-9503

ΔE 38.7 · #A3CD39

Dunn-Edwards

Leprechaun DEA126

ΔE 40 · #6CB037

PPG

Green Pear 1224-7

ΔE 42.2 · #79BE58

Valspar

Greenway 6005-10C

ΔE 43.6 · #69AE44

Sherwin-Williams

Electric Lime SW6921

ΔE 45 · #9ABA25

Kilz

Vivid Lime RH100

ΔE 46.7 · #52A84C

Hallman-Lindsay

Green Gone Wild 774

ΔE 49.9 · #73A236

Colorhouse

Petal .02 Petal-02

ΔE 52.6 · #C3D263

IKEA

IKEA075 75

ΔE 63 · #E2E38D

Farrow & Ball

Dayroom Yellow 233

ΔE 74.7 · #F7E29D

Light Reflectance & Undertone

Light Reflectance Value (LRV)

75/100

Very Light

0 · DarkLight · 100

Bounces most light back into the room — maximises brightness and makes small or north-facing rooms feel larger. Reads close to a soft neutral.

Undertone

TemperatureNeutral MasstoneGreen UndertoneBlue

Reads as a neutral green with a blue undertone showing through, especially in daylight. Pair trim and adjacent colours to either calm or amplify that undertone.

Color Theory

Complementary

#66FF55

#EE57FF

Analogous

#BCFF57

#66FF55

#57FF9A

Triadic

#66FF55

#5768FF

#FF5768

Split-Complementary

#66FF55

#9A57FF

#FF57BC

Tetradic

#66FF55

#57BCFF

#EE57FF

#FF9A57

Monochromatic

#13BD00

#23FF0A

#66FF55

#ACFFA3

#E8FFE5

Rectangle

#66FF55

#57FFEE

#EE57FF

#FF5768

Compound

#66FF55

#57FF9A

#EE57FF

#FF57BC

Variations

Lighter

#86FF78

#AAF7A2

#D1F6CD

Darker

#2AFF12

#13BC00

#0B6D00

Saturation

#97C492

#68FF57

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

1.31:1

Fail

vs Black

16.00:1

AAA

Deuteranopia

#66FF55

#E2CF60

Original → Simulated

Protanopia

#66FF55

#EEEE7E

Original → Simulated

Tritanopia

#66FF55

#84ECF3

Original → Simulated

Color Psychology

Calm · Restorative

Biopunk 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

#8CEC5B

Warm Bulb 2700K

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

#66FF55

Daylight 5500K

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

#79F17F

Cool Bulb 6500K

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

Pairs With

#E8EEE7

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.

#D739E9

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: #66FF55;

CSS — background

background-color: #66FF55;

CSS Variable

--color-biopunk: #66FF55;

Tailwind v3 — config

colors: { 'biopunk': '#66FF55' }

Tailwind — arbitrary

bg-[#66FF55] text-[#66FF55]

SCSS

$biopunk: #66FF55;

Similar Colors

Paradise Green

#62B424 · ΔE 33.2

Sweet Pea

#78BF38 · ΔE 33.8

Neon Lime

#50AB18 · ΔE 34.3

Lucky Charm Green

#61B83E · ΔE 34.7

Tropical Seaweed Green

#48AB2C · ΔE 35.7

Fresh Lime

#4EB245 · ΔE 37.9

Lizard Green

#33A122 · ΔE 38.0

Traffic Light Green

#32A431 · ΔE 38.9

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 #66FF55?

#66FF55 is Biopunk, a soft green with a warm undertone.

Is #66FF55 warm or cool?

Biopunk reads warm, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Biopunk?

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

What colors pair well with Biopunk?

Biopunk 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 Biopunk?

You can download Biopunk 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 Biopunk?

The hex code is #66FF55. In RGB it's 102, 255, 85, and in HSL it's 114°, 100%, 67%.

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