GREENS

Mystery

#A4CDCC

RGB 164, 205, 204 · HSL 179°, 29%, 72% · CMYK 20, 0, 0, 20

Mystery is #A4CDCC in HEX — rgb(164, 205, 204), hsl(179°, 29%, 72%), cmyk(20%, 0%, 0%, 20%).

Mystery pulls into the light end of the greens spectrum — HSL 179°, 29%, 72%. 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#A4CDCC

RGB164, 205, 204

HSL179°, 29%, 72%

HSV179°, 20%, 80%

CMYK20, 0, 0, 20

Decimal10800588

CSS RGBrgb(164, 205, 204)

CSS HSLhsl(179, 29%, 72%)

Paint Matches — this color across 16 brands

Dulux

Mystery S29D2

ΔE 0.5 · #A4CDCB

Behr

Prelude 740E-3

ΔE 1.3 · #A8CDCC

Benjamin Moore

Thunderbird 675

ΔE 1.4 · #A7CCCA

Sherwin-Williams

Raindrop SW6485

ΔE 2.5 · #9EC6C6

Colorhouse

Dream .04 Dream-04

ΔE 2.7 · #9CC7C4

Vista Paint

Fair Farmington K-228

ΔE 2.7 · #A2D2D0

Valspar

Lake Breeze 5007-7B

ΔE 3.5 · #AED4CF

Farrow & Ball

Blue Ground 210

ΔE 3.7 · #A1C5C8

Kilz

Polar Blue RF230-02

ΔE 3.7 · #A7D4D8

PPG

Cassiopeia 1141-3

ΔE 4 · #AED0C9

Dunn-Edwards

Seaport DE5744

ΔE 4.3 · #AECAC8

IKEA

IKEA153 153

ΔE 5 · #B1CBC9

Hallman-Lindsay

Outerspace 686

ΔE 5.4 · #B4DCDA

RAL

Light Green 6027

ΔE 9 · #84C3BE

Dutch Boy

Fair Maiden DCP-0456

ΔE 9.7 · #B3C3B9

Kobra

Blue 27

ΔE 10.9 · #87C8D7

Light Reflectance & Undertone

Light Reflectance Value (LRV)

56/100

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

#A4CDCC

#CCA3A4

Analogous

#A3CCB7

#A4CDCC

#A3B8CC

Triadic

#A4CDCC

#CCA3CC

#CCCCA3

Split-Complementary

#A4CDCC

#CCA3B8

#CCB7A3

Tetradic

#A4CDCC

#B7A3CC

#CCA3A4

#B8CCA3

Monochromatic

#4C8A89

#72B1B0

#A4CDCC

#D4E7E7

#EFF6F6

Rectangle

#A4CDCC

#A3A4CC

#CCA3A4

#CCCCA3

Compound

#A4CDCC

#A3B8CC

#CCA3A4

#CCB7A3

Variations

Lighter

#B5D6D6

#CADFDE

#E1EBEB

Darker

#72B4B3

#458584

#274E4E

Saturation

#B1BEBE

#A3CCCC

#8AE6E4

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

1.72:1

Fail

vs Black

12.18:1

AAA

Deuteranopia

#A4CDCC

#BDC0CE

Original → Simulated

Protanopia

#A4CDCC

#C7C7CC

Original → Simulated

Tritanopia

#A4CDCC

#A6CCCB

Original → Simulated

Color Psychology

Calm · Restorative

Mystery 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

#BAC6B4

Warm Bulb 2700K

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

#A4CDCC

Daylight 5500K

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

#A8CBD8

Cool Bulb 6500K

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

Pairs With

#EAECEC

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.

#B58384

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: #A4CDCC;

CSS — background

background-color: #A4CDCC;

CSS Variable

--color-mystery: #A4CDCC;

Tailwind v3 — config

colors: { 'mystery': '#A4CDCC' }

Tailwind — arbitrary

bg-[#A4CDCC] text-[#A4CDCC]

SCSS

$mystery: #A4CDCC;

Similar Colors

Thunderbird

#A6CBC9 · ΔE 1.4

Waterfall

#9DCDCB · ΔE 2.4

Spring Rain

#ACD3D7 · ΔE 3.7

Spectra Blue

#98CED0 · ΔE 4.2

Lake Victoria

#9CD1CD · ΔE 4.3

Tranquil Blue

#94C2C5 · ΔE 4.9

Indigo

#A1CFD7 · ΔE 5.0

Spring Sky

#B7D6D3 · ΔE 5.1

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 #A4CDCC?

#A4CDCC is Mystery, a soft green with a cool undertone.

Is #A4CDCC warm or cool?

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

What rooms work best with Mystery?

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

What colors pair well with Mystery?

Mystery 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 Mystery?

You can download Mystery 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 Mystery?

The hex code is #A4CDCC. In RGB it's 164, 205, 204, and in HSL it's 179°, 29%, 72%.

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