GREENS

Blue

#579DA6

RGB 87, 157, 166 · HSL 187°, 31%, 50% · CMYK 48, 5, 0, 35

Blue is #579DA6 in HEX — rgb(87, 157, 166), hsl(187°, 31%, 50%), cmyk(48%, 5%, 0%, 35%).

Blue pulls into the mid-tone end of the greens spectrum — HSL 187°, 31%, 50%. 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#579DA6

RGB87, 157, 166

HSL187°, 31%, 50%

HSV187°, 48%, 65%

CMYK48, 5, 0, 35

Decimal5741990

CSS RGBrgb(87, 157, 166)

CSS HSLhsl(187, 31%, 50%)

Paint Matches — this color across 16 brands

Benjamin Moore

Blue 2053-40

Exact match

Dulux

Flood Out S32D4

ΔE 1.6 · #57A0AB

Valspar

Sea Exposure 5005-8B

ΔE 1.7 · #529EA9

Behr

Relaxed Blue BIC-22

ΔE 2.2 · #5B9DA9

PPG

Acapulco Cliffs 1150-5

ΔE 3.2 · #4E9AA8

Vista Paint

Teal Lake K-210

ΔE 3.2 · #629CA3

Dunn-Edwards

Star City DE5767

ΔE 3.3 · #5796A1

Sherwin-Williams

Lakeshore SW6494

ΔE 4.2 · #5B96A2

RAL

Pastel Blue 5024

ΔE 5.3 · #5D9B9B

Kilz

Winter Time RF100-01

ΔE 5.4 · #3F929E

Hallman-Lindsay

Blessed Blue 667

ΔE 5.5 · #659AA7

IKEA

IKEA082 82

ΔE 9 · #729E9C

Farrow & Ball

Stone Blue 86

ΔE 11.8 · #7997A1

Kobra

Blue 28

ΔE 13 · #4EB3CD

Dutch Boy

Blue Wings VS-9402

ΔE 14.1 · #8AB1C2

Colorhouse

Water .05 Water-05

ΔE 14.7 · #82979D

Light Reflectance & Undertone

Light Reflectance Value (LRV)

29/100

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

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

#579DA6

#A76158

Analogous

#58A789

#579DA6

#5876A7

Triadic

#579DA6

#A7589E

#9EA758

Split-Complementary

#579DA6

#A75876

#A78958

Tetradic

#579DA6

#8958A7

#A76158

#76A758

Monochromatic

#233F43

#3E6E75

#579DA6

#8ABBC1

#BCD8DC

Rectangle

#579DA6

#6158A7

#A76158

#9EA758

Compound

#579DA6

#5876A7

#A76158

#A78958

Variations

Lighter

#79B1B9

#9EC2C7

#C9DADC

Darker

#457F87

#2E585E

#1A3437

Saturation

#74898B

#589EA7

#2CC0D3

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

3.10:1

AA Large

vs Black

6.78:1

Deuteranopia

#579DA6

#838BA8

Original → Simulated

Protanopia

#579DA6

#9494A5

Original → Simulated

Tritanopia

#579DA6

#599D9A

Original → Simulated

Color Psychology

Calm · Restorative

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

#81A298

Warm Bulb 2700K

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

#579DA6

Daylight 5500K

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

#6EA7BC

Cool Bulb 6500K

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

Pairs With

#E9EBEC

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.

#895650

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: #579DA6;

CSS — background

background-color: #579DA6;

CSS Variable

--color-blue: #579DA6;

Tailwind v3 — config

colors: { 'blue': '#579DA6' }

Tailwind — arbitrary

bg-[#579DA6] text-[#579DA6]

SCSS

$blue: #579DA6;

Similar Colors

Blue Lake

#569CA5 · ΔE 0.4

Rendezvous Bay

#50939D · ΔE 3.8

Spa Day

#5EA3B1 · ΔE 3.8

Bracken Blue

#69A2AB · ΔE 4.2

Majestic Blue

#629FA0 · ΔE 4.9

Blue Toile

#5598A9 · ΔE 5.2

Ash Blue

#4D9CAE · ΔE 5.3

In the Tropics

#3B98A2 · ΔE 5.4

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 #579DA6?

#579DA6 is Blue, a mid-tone green with a cool undertone.

Is #579DA6 warm or cool?

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

What rooms work best with Blue?

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

What colors pair well with Blue?

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 Blue?

You can download 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 Blue?

The hex code is #579DA6. In RGB it's 87, 157, 166, and in HSL it's 187°, 31%, 50%.

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