GREENS

Fish Boy

#11DDDD

RGB 17, 221, 221 · HSL 180°, 86%, 47% · CMYK 92, 0, 0, 13

Fish Boy is #11DDDD in HEX — rgb(17, 221, 221), hsl(180°, 86%, 47%), cmyk(92%, 0%, 0%, 13%).

Fish Boy pulls into the mid-tone end of the greens spectrum — HSL 180°, 86%, 47%. 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#11DDDD

RGB17, 221, 221

HSL180°, 86%, 47%

HSV180°, 92%, 87%

CMYK92, 0, 0, 13

Decimal1170909

CSS RGBrgb(17, 221, 221)

CSS HSLhsl(180, 86%, 47%)

Paint Matches — this color across 16 brands

Behr

Aztec Sky P490-4

ΔE 8.1 · #5DE9EC

Vista Paint

May Day K-243

ΔE 11.6 · #5BCDC7

Benjamin Moore

Poolside 2048-40

ΔE 13.3 · #20BAB5

PPG

Tint Of Turquoise 1232-5

ΔE 13.7 · #41BFB5

Dunn-Edwards

Port Hope DE5731

ΔE 13.8 · #54C3C1

Valspar

Bayside 5006-10A

ΔE 14 · #5FC8C0

Dulux

Nile Stone S28H4

ΔE 14.3 · #61C9BE

Kilz

Watertown RF150-01

ΔE 14.4 · #53C2C4

Hallman-Lindsay

Cyan Sky 681

ΔE 14.8 · #00B5B8

Sherwin-Williams

Tantalizing Teal SW6937

ΔE 17.9 · #87DCCE

Kobra

Green 39

ΔE 18.4 · #40B8A4

IKEA

IKEA165 165

ΔE 23.5 · #91D0C5

RAL

Light Green 6027

ΔE 23.9 · #84C3BE

Colorhouse

Sprout .01 Sprout-01

ΔE 25.9 · #ADE8E2

Dutch Boy

Sky Blue D-6742

ΔE 27 · #7AC2D8

Farrow & Ball

Arsenic 214

ΔE 31.1 · #84B59C

Light Reflectance & Undertone

Light Reflectance Value (LRV)

57/100

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

#11DDDD

#DF1111

Analogous

#11DF78

#11DDDD

#1178DF

Triadic

#11DDDD

#DF11DF

#DFDF11

Split-Complementary

#11DDDD

#DF1178

#DF7811

Tetradic

#11DDDD

#7811DF

#DF1111

#78DF11

Monochromatic

#065151

#0B9898

#11DDDD

#4BF1F1

#92F7F7

Rectangle

#11DDDD

#1111DF

#DF1111

#DFDF11

Compound

#11DDDD

#1178DF

#DF1111

#DF7811

Variations

Lighter

#36F0F0

#73E9E9

#B3ECEC

Darker

#09B6B6

#048080

#004C4C

Saturation

#599797

#11DFDF

#08E7E7

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

1.69:1

Fail

vs Black

12.41:1

AAA

Deuteranopia

#11DDDD

#ACB8E0

Original → Simulated

Protanopia

#11DDDD

#CCCCDD

Original → Simulated

Tritanopia

#11DDDD

#2EDBD7

Original → Simulated

Color Psychology

Calm · Restorative

Fish Boy 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

#4CD2C1

Warm Bulb 2700K

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

#11DDDD

Daylight 5500K

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

#39D7E5

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.

#B01B1B

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: #11DDDD;

CSS — background

background-color: #11DDDD;

CSS Variable

--color-fish-boy: #11DDDD;

Tailwind v3 — config

colors: { 'fish-boy': '#11DDDD' }

Tailwind — arbitrary

bg-[#11DDDD] text-[#11DDDD]

SCSS

$fish-boy: #11DDDD;

Similar Colors

Poolside Blue

#1FB9B4 · ΔE 13.6

Green Sponge

#22C3AF · ΔE 14.6

Teal Tone

#43BBB6 · ΔE 14.8

Miami Teal

#4FC2B1 · ΔE 15.5

Bahama Green

#24C5AE · ΔE 15.5

Amelia Island Blue

#25C7AF · ΔE 15.6

Coastal Paradise

#79D5CA · ΔE 15.8

Green Coral

#7FDDCF · ΔE 15.8

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 #11DDDD?

#11DDDD is Fish Boy, a mid-tone green with a cool undertone.

Is #11DDDD warm or cool?

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

What rooms work best with Fish Boy?

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

What colors pair well with Fish Boy?

Fish Boy 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 Fish Boy?

You can download Fish Boy 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 Fish Boy?

The hex code is #11DDDD. In RGB it's 17, 221, 221, and in HSL it's 180°, 86%, 47%.

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