GREYS

North Beach Blue

#859C9C

RGB 133, 156, 156 · HSL 180°, 10%, 57% · CMYK 15, 0, 0, 39

North Beach Blue is #859C9C in HEX — rgb(133, 156, 156), hsl(180°, 10%, 57%), cmyk(15%, 0%, 0%, 39%).

North Beach Blue pulls into the mid-tone end of the greys spectrum — HSL 180°, 10%, 57%. The neutral saturation makes it near-neutral and forgiving, and the hue reads cool. In interior projects it shines on walls, soft furniture, hard surfaces — as the project's quiet backbone. Reads best alongside white trim, natural wood, brass, soft black accents.

Color Codes

HEX#859C9C

RGB133, 156, 156

HSL180°, 10%, 57%

HSV180°, 15%, 61%

CMYK15, 0, 0, 39

Decimal8756380

CSS RGBrgb(133, 156, 156)

CSS HSLhsl(180, 10%, 57%)

Paint Matches — this color across 16 brands

Vista Paint

North Beach Blue C-484

Exact match

Hallman-Lindsay

North Beach Blue 485

ΔE 0.6 · #849C9D

Behr

Cool Ashes N520-4

ΔE 1.2 · #899D9D

Benjamin Moore

Sea 2123-30

ΔE 1.3 · #899F9F

Sherwin-Williams

Delft SW9134

ΔE 1.9 · #8B9FA0

Valspar

Secluded Garden 5002-4A

ΔE 2 · #809B99

PPG

Aqua Smoke 1034-5

ΔE 2.1 · #8C9FA0

Farrow & Ball

Oval Room Blue 85

ΔE 2.2 · #8B9D9B

Kilz

June Gloom TB-67

ΔE 2.3 · #869B97

Dulux

Miles S29A4

ΔE 2.4 · #829CA0

Colorhouse

Water .05 Water-05

ΔE 3.9 · #82979D

Dunn-Edwards

Cape Cod Blue DEC792

ΔE 4.3 · #91A2A6

IKEA

IKEA158 158

ΔE 4.6 · #7C9195

RAL

Silver Grey 7001

ΔE 4.8 · #8A9597

Kobra

Grey 42

ΔE 8.3 · #889099

Dutch Boy

Smoky Gray VS-9305

ΔE 9.6 · #95958D

Light Reflectance & Undertone

Light Reflectance Value (LRV)

31/100

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

A near-neutral with a subtle cool green undertone — it will pick up colour from surrounding surfaces and shift noticeably under different light.

Color Theory

Complementary

#859C9C

#9C8686

Analogous

#869C91

#859C9C

#86919C

Triadic

#859C9C

#9C869C

#9C9C86

Split-Complementary

#859C9C

#9C8691

#9C9186

Tetradic

#859C9C

#91869C

#9C8686

#919C86

Monochromatic

#3E4C4C

#607676

#859C9C

#B0BFBF

#DBE1E1

Rectangle

#859C9C

#86869C

#9C8686

#9C9C86

Compound

#859C9C

#86919C

#9C8686

#9C9186

Variations

Lighter

#9FB0B0

#B8C3C3

#D6DBDB

Darker

#688080

#475959

#293434

Saturation

#8E9595

#869C9C

#55CECE

Interior Use

Best Rooms

living rooms, bedrooms, bathrooms

Best Uses

walls, soft furniture, hard surfaces

Pairs With

white trim, natural wood, brass, soft black accents

Accessibility (WCAG)

vs White

2.90:1

Fail

vs Black

7.23:1

AAA

Deuteranopia

#859C9C

#93959D

Original → Simulated

Protanopia

#859C9C

#98989C

Original → Simulated

Tritanopia

#859C9C

#869C9B

Original → Simulated

Color Psychology

Quiet · Versatile

North Beach Blue gets out of the way so the architecture and the people in the room do the work. The right neutral is never a default — it reads warm or cool, dusty or sharp depending on its undertone, and that undertone is what makes or breaks the room.

SymbolismBalance, sophistication, calm

PersonalityAdaptable, considered, timeless

versatileneutraltimelessbackdroptrimwall

How it looks under different light

#A3A290

Warm Bulb 2700K

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

#859C9C

Daylight 5500K

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

#90A7B4

Cool Bulb 6500K

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

Pairs With

#EAEBEB

Trim

Matched off-white

Same hue at 92% lightness — trim reads coordinated, not stark.

#F7F7F7

Ceiling

Whisper tint

Near-white with a hint of the hero's undertone — ceiling feels intentional.

#9A5D5D

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: #859C9C;

CSS — background

background-color: #859C9C;

CSS Variable

--color-north-beach-blue: #859C9C;

Tailwind v3 — config

colors: { 'north-beach-blue': '#859C9C' }

Tailwind — arbitrary

bg-[#859C9C] text-[#859C9C]

SCSS

$north-beach-blue: #859C9C;

Similar Colors

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#889E9E · ΔE 0.9

Atmospheric

#889D9A · ΔE 1.8

Mystic Lake

#8A9F9B · ΔE 2.6

Williamsburg Wythe Blue

#7E9EA0 · ΔE 3.2

Province Blue

#829BA1 · ΔE 3.4

Cloudy Sky

#8F9D9E · ΔE 3.5

Boca Raton Blue

#82A3A3 · ΔE 3.9

Van Courtland Blue

#86989E · ΔE 4.1

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 #859C9C?

#859C9C is North Beach Blue, a mid-tone grey with a cool undertone.

Is #859C9C warm or cool?

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

What rooms work best with North Beach Blue?

North Beach Blue works well in living rooms, bedrooms, bathrooms. Designers typically use it for walls, soft furniture, hard surfaces.

What colors pair well with North Beach Blue?

North Beach Blue pairs naturally with white trim, natural wood, brass, soft black accents. Its complementary color is also a strong contrast option for accents.

Where can I download North Beach Blue?

You can download North Beach 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 North Beach Blue?

The hex code is #859C9C. In RGB it's 133, 156, 156, and in HSL it's 180°, 10%, 57%.

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