GREENS

Opale Half

#C1E9EA

RGB 193, 233, 234 · HSL 181°, 49%, 84% · CMYK 18, 0, 0, 8

Opale Half is #C1E9EA in HEX — rgb(193, 233, 234), hsl(181°, 49%, 84%), cmyk(18%, 0%, 0%, 8%).

Opale Half pulls into the airy end of the greens spectrum — HSL 181°, 49%, 84%. The balanced saturation makes it confident without overpowering, 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#C1E9EA

RGB193, 233, 234

HSL181°, 49%, 84%

HSV181°, 18%, 92%

CMYK18, 0, 0, 8

Decimal12708330

CSS RGBrgb(193, 233, 234)

CSS HSLhsl(181, 49%, 84%)

Paint Matches — this color across 16 brands

Dulux

Opale Half S29G1H

Exact match

PPG

Pale Seafoam 1233-3

ΔE 1.4 · #C3E7E8

Vista Paint

Egg Blue C-670

ΔE 1.5 · #C3E7E9

Benjamin Moore

Jack 729

ΔE 1.7 · #C2E8E6

Hallman-Lindsay

Egg Blue 671

ΔE 1.8 · #C1E7EB

Sherwin-Williams

Swimming SW6764

ΔE 2 · #C2E5E5

Dunn-Edwards

Soaring Sky DE5736

ΔE 2.3 · #B9E5E8

Kilz

Blues Tunes RF220-01

ΔE 2.9 · #B6E5E7

Behr

Eminence 550E-2

ΔE 3 · #C4E6EB

Valspar

Sea Air 5006-9A

ΔE 3.1 · #CAEBE8

IKEA

IKEA048 48

ΔE 3.6 · #C2E4EA

Colorhouse

Dream .01 Dream-01

ΔE 3.8 · #CAE9EE

Dutch Boy

Mellow Blue DCP-0468

ΔE 10.3 · #DDE8E2

Farrow & Ball

Borrowed Light 235

ΔE 11.7 · #D5DBDB

RAL

Papyrus White 9018

ΔE 14 · #D7D7D7

Kobra

White 01

ΔE 14.2 · #EAEAE4

Light Reflectance & Undertone

Light Reflectance Value (LRV)

76/100

Very Light

0 · DarkLight · 100

Bounces most light back into the room — maximises brightness and makes small or north-facing rooms feel larger. Reads close to a soft neutral.

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

#C1E9EA

#EAC3C2

Analogous

#C2EAD7

#C1E9EA

#C2D6EA

Triadic

#C1E9EA

#EAC2EA

#EAEAC2

Split-Complementary

#C1E9EA

#EAC2D6

#EAD7C2

Tetradic

#C1E9EA

#D7C2EA

#EAC3C2

#D6EAC2

Monochromatic

#50C1C3

#89D5D7

#C1E9EA

#ECF8F8

Rectangle

#C1E9EA

#C3C2EA

#EAC3C2

#EAEAC2

Compound

#C1E9EA

#C2D6EA

#EAC3C2

#EAD7C2

Variations

Lighter

#CEEEEE

#DCF0F1

#ECF5F6

Darker

#80D5D6

#36B3B5

#1E6A6B

Saturation

#D0DCDC

#C2EAEA

#B8F4F5

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

1.30:1

Fail

vs Black

16.11:1

AAA

Deuteranopia

#C1E9EA

#D9DDEC

Original → Simulated

Protanopia

#C1E9EA

#E3E3EA

Original → Simulated

Tritanopia

#C1E9EA

#C2E8E7

Original → Simulated

Color Psychology

Calm · Restorative

Opale Half 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

#D0DBCB

Warm Bulb 2700K

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

#C1E9EA

Daylight 5500K

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

#BDE0EF

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.

#D49998

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) · Semi-gloss (trim) · Flat (ceiling)

Light tones absorb less light than expected — eggshell adds warmth on walls, semi-gloss gives trim crisp definition against pale walls.

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; pale colors typically need 2 coats for full opacity.

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: #C1E9EA;

CSS — background

background-color: #C1E9EA;

CSS Variable

--color-opale-half: #C1E9EA;

Tailwind v3 — config

colors: { 'opale-half': '#C1E9EA' }

Tailwind — arbitrary

bg-[#C1E9EA] text-[#C1E9EA]

SCSS

$opale-half: #C1E9EA;

Similar Colors

Jack Frost

#C1E7E5 · ΔE 1.8

Forget Me Not

#C0E3E3 · ΔE 2.4

Blue Diamond

#B6E2E1 · ΔE 3.3

Arctic Blue

#C4E3E1 · ΔE 3.6

Seabrook

#B7DFE2 · ΔE 3.6

Crystal Springs

#C8E6EA · ΔE 3.7

Skyscraper

#B7DFE5 · ΔE 4.3

Innocence

#D1EFF1 · ΔE 4.4

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 #C1E9EA?

#C1E9EA is Opale Half, a soft green with a cool undertone.

Is #C1E9EA warm or cool?

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

What rooms work best with Opale Half?

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

What colors pair well with Opale Half?

Opale Half 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 Opale Half?

You can download Opale Half 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 Opale Half?

The hex code is #C1E9EA. In RGB it's 193, 233, 234, and in HSL it's 181°, 49%, 84%.

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