GREENS

Shady Blue

#42808A

RGB 66, 128, 138 · HSL 188°, 35%, 40% · CMYK 52, 7, 0, 46

Shady Blue is #42808A in HEX — rgb(66, 128, 138), hsl(188°, 35%, 40%), cmyk(52%, 7%, 0%, 46%).

Shady Blue pulls into the rich end of the greens spectrum — HSL 188°, 35%, 40%. The muted saturation makes it quiet but present, 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#42808A

RGB66, 128, 138

HSL188°, 35%, 40%

HSV188°, 52%, 54%

CMYK52, 7, 0, 46

Decimal4358282

CSS RGBrgb(66, 128, 138)

CSS HSLhsl(188, 35%, 40%)

Paint Matches — this color across 16 brands

Hallman-Lindsay

Wish Upon A Star 668

ΔE 1.1 · #447F8A

Dulux

Sea Quest S32C6

ΔE 2 · #3E7B84

Vista Paint

Wish Upon a Star C-667

ΔE 2.1 · #417C88

Benjamin Moore

Calypso 727

ΔE 2.2 · #3A7B86

Behr

Heron 530F-6

ΔE 2.2 · #4A8088

Dunn-Edwards

Mysterious Blue DE5768

ΔE 2.4 · #3E7A85

Kilz

Lombardy Lake RE280-01

ΔE 3 · #38838D

Valspar

Starry Sky 5005-8C

ΔE 3 · #34808B

Farrow & Ball

Vardo 288

ΔE 3.1 · #427E83

IKEA

IKEA118 118

ΔE 3.7 · #317983

RAL

Turquoise Blue 5018

ΔE 4.4 · #3F888F

Sherwin-Williams

Grand Canal SW6488

ΔE 4.6 · #3C797D

PPG

Lucky Shamrock 1146-6

ΔE 6.1 · #487A7B

Colorhouse

Dream .06 Dream-06

ΔE 8.6 · #0E707B

Dutch Boy

Ocean Blue D-6743

ΔE 11.6 · #4C6A74

Kobra

Grey 42

ΔE 19.5 · #889099

Light Reflectance & Undertone

Light Reflectance Value (LRV)

18/100

Dark

0 · DarkLight · 100

Soaks up light and feels moody and intimate. Great for studies, dining rooms and accent walls; pair with ample lighting.

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

#42808A

#8A4C42

Analogous

#428A70

#42808A

#425C8A

Triadic

#42808A

#8A4280

#808A42

Split-Complementary

#42808A

#8A425C

#8A7042

Tetradic

#42808A

#70428A

#8A4C42

#5C8A42

Monochromatic

#112022

#295056

#42808A

#64AAB4

#98C6CD

Rectangle

#42808A

#4C428A

#8A4C42

#808A42

Compound

#42808A

#425C8A

#8A4C42

#8A7042

Variations

Lighter

#5AA4AF

#88B7BF

#BCD3D7

Darker

#346870

#23484E

#142A2E

Saturation

#5B6E71

#42808A

#2198AB

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

4.48:1

AA Large

vs Black

4.69:1

Deuteranopia

#42808A

#69718B

Original → Simulated

Protanopia

#42808A

#787889

Original → Simulated

Tritanopia

#42808A

#43817E

Original → Simulated

Color Psychology

Calm · Restorative

Shady 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

#718D83

Warm Bulb 2700K

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

#42808A

Daylight 5500K

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

#5E92A7

Cool Bulb 6500K

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

Pairs With

#E9ECEC

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.

#70443D

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: #42808A;

CSS — background

background-color: #42808A;

CSS Variable

--color-shady-blue: #42808A;

Tailwind v3 — config

colors: { 'shady-blue': '#42808A' }

Tailwind — arbitrary

bg-[#42808A] text-[#42808A]

SCSS

$shady-blue: #42808A;

Similar Colors

Calypso Blue

#397A85 · ΔE 2.5

Baltic Sea

#56858C · ΔE 4.8

Salzburg Blue

#2C8392 · ΔE 5.3

Teal Ocean

#29777B · ΔE 6.9

Mayo Teal

#558787 · ΔE 6.9

Fiji

#4E7F92 · ΔE 7.0

Rendezvous Bay

#50939D · ΔE 7.2

Largo Teal

#23777B · ΔE 7.6

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 #42808A?

#42808A is Shady Blue, a mid-tone green with a cool undertone.

Is #42808A warm or cool?

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

What rooms work best with Shady Blue?

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

What colors pair well with Shady Blue?

Shady 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 Shady Blue?

You can download Shady 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 Shady Blue?

The hex code is #42808A. In RGB it's 66, 128, 138, and in HSL it's 188°, 35%, 40%.

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