GREENS

Hydro

#A9D7DB

RGB 169, 215, 219 · HSL 185°, 41%, 76% · CMYK 23, 2, 0, 14

Hydro is #A9D7DB in HEX — rgb(169, 215, 219), hsl(185°, 41%, 76%), cmyk(23%, 2%, 0%, 14%).

Hydro pulls into the light end of the greens spectrum — HSL 185°, 41%, 76%. 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#A9D7DB

RGB169, 215, 219

HSL185°, 41%, 76%

HSV185°, 23%, 86%

CMYK23, 2, 0, 14

Decimal11130843

CSS RGBrgb(169, 215, 219)

CSS HSLhsl(185, 41%, 76%)

Paint Matches — this color across 16 brands

Dulux

Hydro SP2H9

Exact match

Kilz

Polar Blue RF230-02

ΔE 1.1 · #A7D4D8

Benjamin Moore

Sea 751

ΔE 1.3 · #A6D8DD

Valspar

Sea Tickle 5005-7B

ΔE 1.5 · #ABD5DA

Behr

Viking 550E-3

ΔE 2.2 · #A6DAE0

Sherwin-Williams

Cay SW6772

ΔE 2.8 · #A6D0D6

Vista Paint

Christopher Coast K-205

ΔE 3.2 · #A7DDDF

Dunn-Edwards

Across the Bay DE5757

ΔE 4 · #B3E1E8

Hallman-Lindsay

Outerspace 686

ΔE 4.1 · #B4DCDA

IKEA

IKEA083 83

ΔE 4.9 · #B6DCE6

PPG

Seascape Green 1233-4

ΔE 4.9 · #B5E4E4

Colorhouse

Dream .02 Dream-02

ΔE 6.5 · #BDE1DD

Farrow & Ball

Blue Ground 210

ΔE 6.6 · #A1C5C8

Kobra

Blue 27

ΔE 9.8 · #87C8D7

RAL

Light Green 6027

ΔE 11.4 · #84C3BE

Dutch Boy

Fair Maiden DCP-0456

ΔE 13.3 · #B3C3B9

Light Reflectance & Undertone

Light Reflectance Value (LRV)

62/100

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

#A9D7DB

#DBADA9

Analogous

#A9DBC6

#A9D7DB

#A9BEDB

Triadic

#A9D7DB

#DBA9D7

#D7DBA9

Split-Complementary

#A9D7DB

#DBA9BE

#DBC6A9

Tetradic

#A9D7DB

#C6A9DB

#DBADA9

#BEDBA9

Monochromatic

#459DA5

#73BEC4

#A9D7DB

#DFF0F1

#EDF7F7

Rectangle

#A9D7DB

#ADA9DB

#DBADA9

#D7DBA9

Compound

#A9D7DB

#A9BEDB

#DBADA9

#DBC6A9

Variations

Lighter

#BADFE2

#CDE5E7

#E3EFF0

Darker

#70BFC6

#3B939B

#21565B

Saturation

#BAC8C9

#A9D7DB

#97E6ED

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

1.56:1

Fail

vs Black

13.43:1

AAA

Deuteranopia

#A9D7DB

#C4C9DD

Original → Simulated

Protanopia

#A9D7DB

#D0D0DA

Original → Simulated

Tritanopia

#A9D7DB

#AAD7D5

Original → Simulated

Color Psychology

Calm · Restorative

Hydro 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

#BECEBF

Warm Bulb 2700K

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

#A9D7DB

Daylight 5500K

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

#ABD3E4

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.

#C48B85

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: #A9D7DB;

CSS — background

background-color: #A9D7DB;

CSS Variable

--color-hydro: #A9D7DB;

Tailwind v3 — config

colors: { 'hydro': '#A9D7DB' }

Tailwind — arbitrary

bg-[#A9D7DB] text-[#A9D7DB]

SCSS

$hydro: #A9D7DB;

Similar Colors

Sea Isle

#A5D7DC · ΔE 1.3

Spring Rain

#ACD3D7 · ΔE 2.4

China Blue

#B3DBDE · ΔE 2.6

Sonoma Skies

#A1D9DB · ΔE 3.4

Old Pickup Blue

#B0DAE3 · ΔE 3.4

Indigo

#A1CFD7 · ΔE 3.5

Seabrook

#B7DFE2 · ΔE 3.7

Skyscraper

#B7DFE5 · ΔE 4.0

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 #A9D7DB?

#A9D7DB is Hydro, a soft green with a cool undertone.

Is #A9D7DB warm or cool?

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

What rooms work best with Hydro?

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

What colors pair well with Hydro?

Hydro 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 Hydro?

You can download Hydro 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 Hydro?

The hex code is #A9D7DB. In RGB it's 169, 215, 219, and in HSL it's 185°, 41%, 76%.

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