GREENS

Outerspace

#B4DCDA

RGB 180, 220, 218 · HSL 177°, 36%, 78% · CMYK 18, 0, 1, 14

Outerspace is #B4DCDA in HEX — rgb(180, 220, 218), hsl(177°, 36%, 78%), cmyk(18%, 0%, 1%, 14%).

Outerspace pulls into the airy end of the greens spectrum — HSL 177°, 36%, 78%. 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#B4DCDA

RGB180, 220, 218

HSL177°, 36%, 78%

HSV177°, 18%, 86%

CMYK18, 0, 1, 14

Decimal11853018

CSS RGBrgb(180, 220, 218)

CSS HSLhsl(177, 36%, 78%)

Paint Matches — this color across 16 brands

Hallman-Lindsay

Outerspace 686

Exact match

Vista Paint

Outerspace C-685

ΔE 0.7 · #B4DBD8

Kilz

Sailing Water TB-53

ΔE 0.9 · #B6DEDB

PPG

Minerva 1231-3

ΔE 1.3 · #B5DEDA

Dulux

Starlight Blue S28E1

ΔE 1.8 · #B8DED9

Valspar

Crystal Aqua 5006-7B

ΔE 2.1 · #AED9DA

Behr

Sonata 530E-3

ΔE 2.2 · #B8E0E1

Benjamin Moore

Blue 736

ΔE 2.6 · #B7E3E2

Colorhouse

Dream .02 Dream-02

ΔE 2.6 · #BDE1DD

Sherwin-Williams

Meander Blue SW6484

ΔE 3.6 · #BEDBD8

Dunn-Edwards

Tropical Waterfall DE5722

ΔE 4.1 · #BEE7E2

IKEA

IKEA081 81

ΔE 4.3 · #BFDAD7

Farrow & Ball

Blue Ground 210

ΔE 8.4 · #A1C5C8

Dutch Boy

Fair Maiden DCP-0456

ΔE 11.7 · #B3C3B9

RAL

Light Green 6027

ΔE 13 · #84C3BE

Kobra

Silver 47

ΔE 13.6 · #CDCECD

Light Reflectance & Undertone

Light Reflectance Value (LRV)

66/100

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

#B4DCDA

#DBB3B5

Analogous

#B3DBC5

#B4DCDA

#B3C9DB

Triadic

#B4DCDA

#D9B3DB

#DBD9B3

Split-Complementary

#B4DCDA

#DBB3C9

#DBC5B3

Tetradic

#B4DCDA

#C5B3DB

#DBB3B5

#C9DBB3

Monochromatic

#4EA6A2

#7FC3BF

#B4DCDA

#E7F4F3

#EEF7F6

Rectangle

#B4DCDA

#B3B5DB

#DBB3B5

#DBD9B3

Compound

#B4DCDA

#B3C9DB

#DBB3B5

#DBC5B3

Variations

Lighter

#C2E2E1

#D3E8E7

#E6F0F0

Darker

#7BC3C0

#429994

#255A57

Saturation

#C1CDCC

#B3DBD9

#A1EDE9

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

1.48:1

Fail

vs Black

14.19:1

AAA

Deuteranopia

#B4DCDA

#CCCFDC

Original → Simulated

Protanopia

#B4DCDA

#D6D6DA

Original → Simulated

Tritanopia

#B4DCDA

#B6DBDA

Original → Simulated

Color Psychology

Calm · Restorative

Outerspace 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

#C6D2BF

Warm Bulb 2700K

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

#B4DCDA

Daylight 5500K

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

#B4D7E3

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.

#C38F91

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 · Trim · Ceilings · 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: #B4DCDA;

CSS — background

background-color: #B4DCDA;

CSS Variable

--color-outerspace: #B4DCDA;

Tailwind v3 — config

colors: { 'outerspace': '#B4DCDA' }

Tailwind — arbitrary

bg-[#B4DCDA] text-[#B4DCDA]

SCSS

$outerspace: #B4DCDA;

Similar Colors

Blue Diamond

#B6E2E1 · ΔE 2.3

China Blue

#B3DBDE · ΔE 2.7

Dolphin's Cove

#BCDDDD · ΔE 2.8

Maritime Blue

#B2DDD6 · ΔE 2.9

Seabrook

#B7DFE2 · ΔE 2.9

Spring Sky

#B7D6D3 · ΔE 3.3

Forget Me Not

#C0E3E3 · ΔE 3.5

Bird's Egg

#BEDCDD · ΔE 3.8

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 #B4DCDA?

#B4DCDA is Outerspace, a soft green with a cool undertone.

Is #B4DCDA warm or cool?

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

What rooms work best with Outerspace?

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

What colors pair well with Outerspace?

Outerspace 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 Outerspace?

You can download Outerspace 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 Outerspace?

The hex code is #B4DCDA. In RGB it's 180, 220, 218, and in HSL it's 177°, 36%, 78%.

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