GREENS

Celestial Alien

#11CC00

RGB 17, 204, 0 · HSL 115°, 100%, 40% · CMYK 92, 0, 100, 20

Celestial Alien is #11CC00 in HEX — rgb(17, 204, 0), hsl(115°, 100%, 40%), cmyk(92%, 0%, 100%, 20%).

Celestial Alien pulls into the rich end of the greens spectrum — HSL 115°, 100%, 40%. 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#11CC00

RGB17, 204, 0

HSL115°, 100%, 40%

HSV115°, 100%, 80%

CMYK92, 0, 100, 20

Decimal1166336

CSS RGBrgb(17, 204, 0)

CSS HSLhsl(115, 100%, 40%)

Paint Matches — this color across 16 brands

Behr

Formal Garden 450B-6

ΔE 3 · #32D10A

RAL

Luminous Green 6038

ΔE 15.8 · #00BB2D

Kobra

Fluo 52

ΔE 22.2 · #00B131

Benjamin Moore

Neon 2031-10

ΔE 25.5 · #51AC19

Vista Paint

Wilderness Retreat K-320

ΔE 27 · #5AB32C

Dulux

Effervescent Lime S21H9 · SB8B6

ΔE 30.9 · #9EDA2C

Dunn-Edwards

Leprechaun DEA126

ΔE 35.5 · #6CB037

Dutch Boy

Temptations VS-9503

ΔE 38.7 · #A3CD39

Valspar

Greenway 6005-10C

ΔE 39.9 · #69AE44

PPG

Green Pear 1224-7

ΔE 41.2 · #79BE58

Sherwin-Williams

Electric Lime SW6921

ΔE 42.6 · #9ABA25

Kilz

Vivid Lime RH100

ΔE 42.7 · #52A84C

Hallman-Lindsay

Green Gone Wild 774

ΔE 45.5 · #73A236

Colorhouse

Petal .02 Petal-02

ΔE 55.1 · #C3D263

IKEA

IKEA114 114

ΔE 64.8 · #93AB67

Farrow & Ball

Yeabridge Green 287

ΔE 76.1 · #919F70

Light Reflectance & Undertone

Light Reflectance Value (LRV)

43/100

Medium

0 · DarkLight · 100

Balanced reflectance — holds colour without washing out. Versatile for most rooms and the most forgiving range for true-to-chip results.

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

#11CC00

#BB00CC

Analogous

#77CC00

#11CC00

#00CC55

Triadic

#11CC00

#0011CC

#CC0011

Split-Complementary

#11CC00

#5500CC

#CC0077

Tetradic

#11CC00

#0077CC

#BB00CC

#CC5500

Monochromatic

#043300

#0B8000

#11CC00

#2DFF1A

#73FF66

Rectangle

#11CC00

#00CCBB

#BB00CC

#CC0011

Compound

#11CC00

#00CC55

#BB00CC

#CC0077

Variations

Lighter

#1FFF0A

#62F155

#AAEFA4

Darker

#0EA300

#097000

#054100

Saturation

#4D8547

#11CC00

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

2.17:1

Fail

vs Black

9.66:1

AAA

Deuteranopia

#11CC00

#B19F24

Original → Simulated

Protanopia

#11CC00

#BCBC4F

Original → Simulated

Tritanopia

#11CC00

#4CBBC1

Original → Simulated

Color Psychology

Calm · Restorative

Celestial Alien 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

#4CC61B

Warm Bulb 2700K

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

#11CC00

Daylight 5500K

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

#39CB3F

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.

#90119C

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: #11CC00;

CSS — background

background-color: #11CC00;

CSS Variable

--color-celestial-alien: #11CC00;

Tailwind v3 — config

colors: { 'celestial-alien': '#11CC00' }

Tailwind — arbitrary

bg-[#11CC00] text-[#11CC00]

SCSS

$celestial-alien: #11CC00;

Similar Colors

Neon Lime

#50AB18 · ΔE 25.7

Paradise Green

#62B424 · ΔE 26.8

Tropical Seaweed Green

#48AB2C · ΔE 28.2

Lizard Green

#33A122 · ΔE 28.7

Lucky Charm Green

#61B83E · ΔE 30.5

Sweet Pea

#78BF38 · ΔE 30.7

Traffic Light Green

#32A431 · ΔE 31.2

Neon Green

#169928 · ΔE 33.0

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 #11CC00?

#11CC00 is Celestial Alien, a mid-tone green with a warm undertone.

Is #11CC00 warm or cool?

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

What rooms work best with Celestial Alien?

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

What colors pair well with Celestial Alien?

Celestial Alien 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 Celestial Alien?

You can download Celestial Alien 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 Celestial Alien?

The hex code is #11CC00. In RGB it's 17, 204, 0, and in HSL it's 115°, 100%, 40%.

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