GREENS

Phosphorescent Blue

#11EEEE

RGB 17, 238, 238 · HSL 180°, 87%, 50% · CMYK 93, 0, 0, 7

Phosphorescent Blue is #11EEEE in HEX — rgb(17, 238, 238), hsl(180°, 87%, 50%), cmyk(93%, 0%, 0%, 7%).

Phosphorescent Blue pulls into the mid-tone end of the greens spectrum — HSL 180°, 87%, 50%. The saturated saturation makes it bold and immediate, 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#11EEEE

RGB17, 238, 238

HSL180°, 87%, 50%

HSV180°, 93%, 93%

CMYK93, 0, 0, 7

Decimal1175278

CSS RGBrgb(17, 238, 238)

CSS HSLhsl(180, 87%, 50%)

Paint Matches — this color across 16 brands

Behr

Aztec Sky P490-4

ΔE 8.8 · #5DE9EC

Vista Paint

May Day K-243

ΔE 16.5 · #5BCDC7

Hallman-Lindsay

Andes Sky 680

ΔE 18.3 · #78D8D9

Benjamin Moore

Bermuda 2044-50

ΔE 18.4 · #7FDFCE

Dunn-Edwards

Sweet Garden DE5696

ΔE 18.8 · #5FD1BA

Valspar

Bayside 5006-10A

ΔE 18.9 · #5FC8C0

Dulux

Green Pantina S27G4

ΔE 19.1 · #66D0BC

PPG

Tint Of Turquoise 1232-5

ΔE 19.3 · #41BFB5

Kilz

Watertown RF150-01

ΔE 19.9 · #53C2C4

Sherwin-Williams

Tantalizing Teal SW6937

ΔE 20.6 · #87DCCE

Kobra

Green 39

ΔE 23.5 · #40B8A4

IKEA

IKEA165 165

ΔE 26.8 · #91D0C5

Colorhouse

Sprout .01 Sprout-01

ΔE 27.5 · #ADE8E2

RAL

Light Green 6027

ΔE 28.1 · #84C3BE

Dutch Boy

Sky Blue D-6742

ΔE 30.9 · #7AC2D8

Farrow & Ball

Arsenic 214

ΔE 35.4 · #84B59C

Light Reflectance & Undertone

Light Reflectance Value (LRV)

67/100

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

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

#11EEEE

#EE1111

Analogous

#11EE80

#11EEEE

#117FEE

Triadic

#11EEEE

#EE11EE

#EEEE11

Split-Complementary

#11EEEE

#EE1180

#EE8011

Tetradic

#11EEEE

#7F11EE

#EE1111

#80EE11

Monochromatic

#075F5F

#0CA7A7

#11EEEE

#58F3F3

#A0F8F8

Rectangle

#11EEEE

#1111EE

#EE1111

#EEEE11

Compound

#11EEEE

#117FEE

#EE1111

#EE8011

Variations

Lighter

#40F2F2

#7AEBEB

#B7EEEE

Darker

#09C3C3

#038989

#005252

Saturation

#5EA1A1

#11EEEE

#08F7F7

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

1.45:1

Fail

vs Black

14.49:1

AAA

Deuteranopia

#11EEEE

#BAC6F1

Original → Simulated

Protanopia

#11EEEE

#DBDBEE

Original → Simulated

Tritanopia

#11EEEE

#31ECE8

Original → Simulated

Color Psychology

Calm · Restorative

Phosphorescent Blue 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

#4CDFCE

Warm Bulb 2700K

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

#11EEEE

Daylight 5500K

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

#39E4F2

Cool Bulb 6500K

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

Pairs With

#E7EEEE

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.

#BD1C1C

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: #11EEEE;

CSS — background

background-color: #11EEEE;

CSS Variable

--color-phosphorescent-blue: #11EEEE;

Tailwind v3 — config

colors: { 'phosphorescent-blue': '#11EEEE' }

Tailwind — arbitrary

bg-[#11EEEE] text-[#11EEEE]

SCSS

$phosphorescent-blue: #11EEEE;

Similar Colors

Bermuda Teal

#7EDECD · ΔE 18.4

Green Coral

#7FDDCF · ΔE 18.4

Scuba Green

#81DDD0 · ΔE 18.8

Green Sponge

#22C3AF · ΔE 19.1

Coastal Paradise

#79D5CA · ΔE 19.3

Amelia Island Blue

#25C7AF · ΔE 19.3

Bahama Green

#24C5AE · ΔE 19.5

Poolside Blue

#1FB9B4 · ΔE 19.7

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 #11EEEE?

#11EEEE is Phosphorescent Blue, a mid-tone green with a cool undertone.

Is #11EEEE warm or cool?

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

What rooms work best with Phosphorescent Blue?

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

What colors pair well with Phosphorescent Blue?

Phosphorescent Blue 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 Phosphorescent Blue?

You can download Phosphorescent Blue 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 Phosphorescent Blue?

The hex code is #11EEEE. In RGB it's 17, 238, 238, and in HSL it's 180°, 87%, 50%.

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