GREENS

Blue Shale

#B9CACC

RGB 185, 202, 204 · HSL 186°, 16%, 76% · CMYK 9, 1, 0, 20

Blue Shale is #B9CACC in HEX — rgb(185, 202, 204), hsl(186°, 16%, 76%), cmyk(9%, 1%, 0%, 20%).

Blue Shale pulls into the light end of the greens spectrum — HSL 186°, 16%, 76%. The neutral saturation makes it near-neutral and forgiving, 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#B9CACC

RGB185, 202, 204

HSL186°, 16%, 76%

HSV186°, 9%, 80%

CMYK9, 1, 0, 20

Decimal12176076

CSS RGBrgb(185, 202, 204)

CSS HSLhsl(186, 16%, 76%)

Paint Matches — this color across 16 brands

Benjamin Moore

Yarmouth HC-150

ΔE 1 · #B6C9CA

Sherwin-Williams

Sleepy Blue SW6225

ΔE 1 · #BCCBCE

Behr

Dayflower MQ3-54

ΔE 1.1 · #B6CACC

PPG

Misty Surf 1034-4

ΔE 1.3 · #B5C8C9

Vista Paint

Tudor Ice C-1357

ΔE 1.7 · #BAC7C8

Kilz

Wild Arctic RE210-02

ΔE 2.1 · #BFCBCB

Colorhouse

Water .03 Water-03

ΔE 2.3 · #BBD0D2

Hallman-Lindsay

Restful Retreat 497

ΔE 2.3 · #B1C7C9

Dulux

Detroit S29A1

ΔE 2.7 · #BDD1D1

Dunn-Edwards

Blue Spruce DE5772

ΔE 3.4 · #ADC5C9

Valspar

Lighthouse Shadows 4008-3B

ΔE 3.6 · #BBC8D0

IKEA

IKEA153 153

ΔE 3.9 · #B1CBC9

Farrow & Ball

Parma Gray 27

ΔE 4.5 · #B2BFC5

Dutch Boy

Laguna White 7411

ΔE 5.5 · #C8CDC9

RAL

Agate Grey 7038

ΔE 6.3 · #C3C3C3

Kobra

Silver 47

ΔE 6.4 · #CDCECD

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

#B9CACC

#CCBAB8

Analogous

#B8CCC4

#B9CACC

#B8C0CC

Triadic

#B9CACC

#CCB8CA

#CACCB8

Split-Complementary

#B9CACC

#CCB8C0

#CCC4B8

Tetradic

#B9CACC

#C4B8CC

#CCBAB8

#C0CCB8

Monochromatic

#638488

#8CA8AB

#B9CACC

#E4EBEC

#F0F4F4

Rectangle

#B9CACC

#BAB8CC

#CCBAB8

#CACCB8

Compound

#B9CACC

#B8C0CC

#CCBAB8

#CCC4B8

Variations

Lighter

#C6D4D6

#D5DEDF

#E7EBEC

Darker

#8AA8AC

#587A7D

#334749

Saturation

#BFC4C5

#B8CACC

#9EDEE5

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

1.70:1

Fail

vs Black

12.38:1

AAA

Deuteranopia

#B9CACC

#C3C5CD

Original → Simulated

Protanopia

#B9CACC

#C7C7CC

Original → Simulated

Tritanopia

#B9CACC

#B9CAC9

Original → Simulated

Color Psychology

Calm · Restorative

Blue Shale 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

#CAC4B4

Warm Bulb 2700K

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

#B9CACC

Daylight 5500K

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

#B7C9D8

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.

#BB938E

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: #B9CACC;

CSS — background

background-color: #B9CACC;

CSS Variable

--color-blue-shale: #B9CACC;

Tailwind v3 — config

colors: { 'blue-shale': '#B9CACC' }

Tailwind — arbitrary

bg-[#B9CACC] text-[#B9CACC]

SCSS

$blue-shale: #B9CACC;

Similar Colors

Smoke

#BAC8C9 · ΔE 1.3

Yarmouth Blue

#B5C8C9 · ΔE 1.3

Gossamer Blue

#B3C8C8 · ΔE 2.1

Blue Porcelain

#B1C7CB · ΔE 2.4

Silvery Blue

#BFD0D4 · ΔE 2.5

Dusky Blue

#BDD1D4 · ΔE 2.6

Gentle Gray

#C0CACD · ΔE 2.6

Brittany Blue

#C3D0D2 · ΔE 2.8

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 #B9CACC?

#B9CACC is Blue Shale, a soft green with a cool undertone.

Is #B9CACC warm or cool?

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

What rooms work best with Blue Shale?

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

What colors pair well with Blue Shale?

Blue Shale 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 Shale?

You can download Blue Shale 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 Shale?

The hex code is #B9CACC. In RGB it's 185, 202, 204, and in HSL it's 186°, 16%, 76%.

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