GREENS

Caustic Green

#11DD00

RGB 17, 221, 0 · HSL 115°, 100%, 43% · CMYK 92, 0, 100, 13

Caustic Green is #11DD00 in HEX — rgb(17, 221, 0), hsl(115°, 100%, 43%), cmyk(92%, 0%, 100%, 13%).

Caustic Green pulls into the rich end of the greens spectrum — HSL 115°, 100%, 43%. 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#11DD00

RGB17, 221, 0

HSL115°, 100%, 43%

HSV115°, 100%, 87%

CMYK92, 0, 100, 13

Decimal1170688

CSS RGBrgb(17, 221, 0)

CSS HSLhsl(115, 100%, 43%)

Paint Matches — this color across 16 brands

Behr

Barnyard Grass 440B-6

ΔE 7.2 · #50E80D

RAL

Luminous Green 6038

ΔE 23.4 · #00BB2D

Kobra

Fluo 52

ΔE 30 · #00B131

Benjamin Moore

Neon 2031-10

ΔE 33.3 · #51AC19

Vista Paint

Wilderness Retreat K-320

ΔE 34.5 · #5AB32C

Dulux

Effervescent Lime S21H9 · SB8B6

ΔE 34.5 · #9EDA2C

Dunn-Edwards

Leprechaun DEA126

ΔE 42.8 · #6CB037

Dutch Boy

Temptations VS-9503

ΔE 43.7 · #A3CD39

Valspar

Greenway 6005-10C

ΔE 47.2 · #69AE44

PPG

Green Pear 1224-7

ΔE 47.9 · #79BE58

Sherwin-Williams

Electric Lime SW6921

ΔE 48.2 · #9ABA25

Kilz

Vivid Lime RH100

ΔE 50.2 · #52A84C

Hallman-Lindsay

Green Gone Wild 774

ΔE 52.8 · #73A236

Colorhouse

Petal .02 Petal-02

ΔE 60.3 · #C3D263

IKEA

IKEA021 21

ΔE 71 · #BEC675

Farrow & Ball

Yeabridge Green 287

ΔE 83.1 · #919F70

Light Reflectance & Undertone

Light Reflectance Value (LRV)

52/100

Light

0 · DarkLight · 100

Reflects plenty of light and keeps spaces feeling open and airy while still showing clear colour. A safe, flexible choice for living areas.

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

#11DD00

#C900DB

Analogous

#80DB00

#11DD00

#00DB5B

Triadic

#11DD00

#0012DB

#DB0012

Split-Complementary

#11DD00

#5B00DB

#DB0080

Tetradic

#11DD00

#0080DB

#C900DB

#DB5B00

Monochromatic

#064200

#0C8F00

#11DD00

#3BFF29

#81FF75

Rectangle

#11DD00

#00DBC9

#C900DB

#DB0012

Compound

#11DD00

#00DB5B

#C900DB

#DB0080

Variations

Lighter

#2AFF16

#6AF25E

#AEF0A9

Darker

#0FAF00

#0A7900

#064600

Saturation

#528F4D

#12DB00

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

1.85:1

Fail

vs Black

11.37:1

AAA

Deuteranopia

#11DD00

#BFAC28

Original → Simulated

Protanopia

#11DD00

#CCCC56

Original → Simulated

Tritanopia

#11DD00

#52CAD1

Original → Simulated

Color Psychology

Calm · Restorative

Caustic Green 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

#4CD21B

Warm Bulb 2700K

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

#11DD00

Daylight 5500K

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

#39D73F

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.

#9B13A8

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: #11DD00;

CSS — background

background-color: #11DD00;

CSS Variable

--color-caustic-green: #11DD00;

Tailwind v3 — config

colors: { 'caustic-green': '#11DD00' }

Tailwind — arbitrary

bg-[#11DD00] text-[#11DD00]

SCSS

$caustic-green: #11DD00;

Similar Colors

Neon Lime

#50AB18 · ΔE 33.5

Paradise Green

#62B424 · ΔE 34.1

Tropical Seaweed Green

#48AB2C · ΔE 36.1

Lizard Green

#33A122 · ΔE 36.9

Sweet Pea

#78BF38 · ΔE 37.3

Lucky Charm Green

#61B83E · ΔE 37.7

Traffic Light Green

#32A431 · ΔE 39.2

Fresh Lime

#4EB245 · ΔE 40.8

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 #11DD00?

#11DD00 is Caustic Green, a mid-tone green with a warm undertone.

Is #11DD00 warm or cool?

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

What rooms work best with Caustic Green?

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

What colors pair well with Caustic Green?

Caustic Green 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 Caustic Green?

You can download Caustic Green 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 Caustic Green?

The hex code is #11DD00. In RGB it's 17, 221, 0, and in HSL it's 115°, 100%, 43%.

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