GREENS

Aqua Rapids

#63A39C

RGB 99, 163, 156 · HSL 173°, 26%, 51% · CMYK 39, 0, 4, 36

Aqua Rapids is #63A39C in HEX — rgb(99, 163, 156), hsl(173°, 26%, 51%), cmyk(39%, 0%, 4%, 36%).

Aqua Rapids pulls into the mid-tone end of the greens spectrum — HSL 173°, 26%, 51%. 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#63A39C

RGB99, 163, 156

HSL173°, 26%, 51%

HSV173°, 39%, 64%

CMYK39, 0, 4, 36

Decimal6529948

CSS RGBrgb(99, 163, 156)

CSS HSLhsl(173, 26%, 51%)

Paint Matches — this color across 16 brands

Kilz

Tahitian Green RF280-01

ΔE 1.2 · #64A69F

Behr

Bayside 510F-5

ΔE 2.8 · #61A89F

Vista Paint

Peaceful Pond K-226

ΔE 3 · #5B9E9B

Dulux

Soft Touch S28D5

ΔE 3.5 · #639B93

Sherwin-Williams

Rivulet SW6760

ΔE 3.5 · #61A89D

PPG

Treasure Isle 1141-5

ΔE 3.7 · #609D91

Dunn-Edwards

Dragon Bay DE5725

ΔE 4.2 · #5DA99F

Benjamin Moore

Florida 2050-40

ΔE 4.4 · #6EAAA8

Hallman-Lindsay

Cold North 688

ΔE 4.5 · #559C9B

RAL

Pastel Blue 5024

ΔE 4.9 · #5D9B9B

Valspar

Dreamy Teal 5007-8B

ΔE 5.8 · #4E9795

IKEA

IKEA082 82

ΔE 7.1 · #729E9C

Farrow & Ball

Arsenic 214

ΔE 12.5 · #84B59C

Colorhouse

Dream .05 Dream-05

ΔE 15.5 · #18887C

Kobra

Green 41

ΔE 15.7 · #009185

Dutch Boy

Blue Wings VS-9402

ΔE 18.1 · #8AB1C2

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

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

#63A39C

#A36269

Analogous

#62A37A

#63A39C

#628AA3

Triadic

#63A39C

#9B62A3

#A39B62

Split-Complementary

#63A39C

#A3628A

#A37A62

Tetradic

#63A39C

#7A62A3

#A36269

#8AA362

Monochromatic

#284340

#44746E

#63A39C

#92BFBA

#C2DBD8

Rectangle

#63A39C

#6269A3

#A36269

#A39B62

Compound

#63A39C

#628AA3

#A36269

#A37A62

Variations

Lighter

#81B5AF

#A3C5C1

#CBDBD9

Darker

#4C847E

#335C57

#1D3633

Saturation

#788C8A

#62A39B

#33D1BE

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

2.90:1

Fail

vs Black

7.25:1

AAA

Deuteranopia

#63A39C

#8D919E

Original → Simulated

Protanopia

#63A39C

#9A9A9D

Original → Simulated

Tritanopia

#63A39C

#67A1A0

Original → Simulated

Color Psychology

Calm · Restorative

Aqua Rapids 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

#8AA790

Warm Bulb 2700K

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

#63A39C

Daylight 5500K

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

#77ACB4

Cool Bulb 6500K

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

Pairs With

#EAECEB

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.

#8A5359

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: #63A39C;

CSS — background

background-color: #63A39C;

CSS Variable

--color-aqua-rapids: #63A39C;

Tailwind v3 — config

colors: { 'aqua-rapids': '#63A39C' }

Tailwind — arbitrary

bg-[#63A39C] text-[#63A39C]

SCSS

$aqua-rapids: #63A39C;

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Azure Water

#689B99 · ΔE 5.5

Gulf Stream

#68B1AD · ΔE 5.6

Peacock Blue

#61ACAE · ΔE 6.3

Antiqued Aqua

#759F9A · ΔE 6.9

Summer Basket Green

#5CA492 · ΔE 7.1

Captivating Teal

#56A392 · ΔE 7.3

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 #63A39C?

#63A39C is Aqua Rapids, a mid-tone green with a cool undertone.

Is #63A39C warm or cool?

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

What rooms work best with Aqua Rapids?

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

What colors pair well with Aqua Rapids?

Aqua Rapids 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 Aqua Rapids?

You can download Aqua Rapids 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 Aqua Rapids?

The hex code is #63A39C. In RGB it's 99, 163, 156, and in HSL it's 173°, 26%, 51%.

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