GREYS

Underwater World

#657F7A

RGB 101, 127, 122 · HSL 168°, 11%, 45% · CMYK 20, 0, 4, 50

Underwater World is #657F7A in HEX — rgb(101, 127, 122), hsl(168°, 11%, 45%), cmyk(20%, 0%, 4%, 50%).

Underwater World pulls into the mid-tone end of the greys spectrum — HSL 168°, 11%, 45%. The neutral saturation makes it near-neutral and forgiving, and the hue reads cool. In interior projects it shines on walls, soft furniture, hard surfaces — as the project's quiet backbone. Reads best alongside white trim, natural wood, brass, soft black accents.

Color Codes

HEX#657F7A

RGB101, 127, 122

HSL168°, 11%, 45%

HSV168°, 20%, 50%

CMYK20, 0, 4, 50

Decimal6651770

CSS RGBrgb(101, 127, 122)

CSS HSLhsl(168, 11%, 45%)

Paint Matches — this color across 16 brands

Sherwin-Williams

Teal Stencil SW0018

ΔE 1.2 · #627F7B

Benjamin Moore

Caribbean 2123-20

ΔE 1.9 · #637D7B

Valspar

Liquid Jade 5003-6B

ΔE 2.1 · #62817E

Dulux

Ocean Wave S28A6

ΔE 2.4 · #5E7A77

PPG

Salal Leaves 1137-6

ΔE 2.5 · #637D74

Dunn-Edwards

Dark Lagoon DEC788

ΔE 2.7 · #6A7F7D

Hallman-Lindsay

Earthen Cheer 465

ΔE 3.6 · #667971

Behr

Hidden Peak 720F-5

ΔE 4.3 · #628684

Colorhouse

Wool .05 Wool-05

ΔE 4.6 · #587675

Vista Paint

Earthen Cheer C-464

ΔE 4.9 · #65776D

Kilz

Classic Movie RM120

ΔE 6.1 · #6B7A7C

Farrow & Ball

De Nimes 299

ΔE 6.3 · #6A7C80

IKEA

IKEA184 184

ΔE 8.3 · #788082

RAL

Squirrel Grey 7000

ΔE 9.1 · #78858B

Dutch Boy

Natural Gray VS-9332

ΔE 11.7 · #878787

Kobra

Grey 42

ΔE 13.7 · #889099

Light Reflectance & Undertone

Light Reflectance Value (LRV)

19/100

Dark

0 · DarkLight · 100

Soaks up light and feels moody and intimate. Great for studies, dining rooms and accent walls; pair with ample lighting.

Undertone

TemperatureCool MasstoneTeal UndertoneGreen

A near-neutral with a subtle cool green undertone — it will pick up colour from surrounding surfaces and shift noticeably under different light.

Color Theory

Complementary

#657F7A

#7F666B

Analogous

#667F6E

#657F7A

#66787F

Triadic

#657F7A

#7A667F

#7F7A66

Split-Complementary

#657F7A

#7F6678

#7F6E66

Tetradic

#657F7A

#6E667F

#7F666B

#787F66

Monochromatic

#222A29

#445552

#657F7A

#8EA4A0

#B8C6C3

Rectangle

#657F7A

#666B7F

#7F666B

#7F7A66

Compound

#657F7A

#66787F

#7F666B

#7F6E66

Variations

Lighter

#829B96

#A3B3B0

#CAD2D0

Darker

#516662

#374744

#202928

Saturation

#6F7775

#667F7A

#33B299

Interior Use

Best Rooms

living rooms, bedrooms, bathrooms

Best Uses

walls, soft furniture, hard surfaces

Pairs With

white trim, natural wood, brass, soft black accents

Accessibility (WCAG)

vs White

4.31:1

AA Large

vs Black

4.87:1

Deuteranopia

#657F7A

#76767B

Original → Simulated

Protanopia

#657F7A

#7B7B7B

Original → Simulated

Tritanopia

#657F7A

#667E7D

Original → Simulated

Color Psychology

Quiet · Versatile

Underwater World gets out of the way so the architecture and the people in the room do the work. The right neutral is never a default — it reads warm or cool, dusty or sharp depending on its undertone, and that undertone is what makes or breaks the room.

SymbolismBalance, sophistication, calm

PersonalityAdaptable, considered, timeless

versatileneutraltimelessbackdroptrimwall

How it looks under different light

#8B8C77

Warm Bulb 2700K

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

#657F7A

Daylight 5500K

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

#78919B

Cool Bulb 6500K

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

Pairs With

#EAEBEB

Trim

Matched off-white

Same hue at 92% lightness — trim reads coordinated, not stark.

#F7F7F7

Ceiling

Whisper tint

Near-white with a hint of the hero's undertone — ceiling feels intentional.

#7A4953

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 · Doors · Mouldings

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: #657F7A;

CSS — background

background-color: #657F7A;

CSS Variable

--color-underwater-world: #657F7A;

Tailwind v3 — config

colors: { 'underwater-world': '#657F7A' }

Tailwind — arbitrary

bg-[#657F7A] text-[#657F7A]

SCSS

$underwater-world: #657F7A;

Similar Colors

Caribbean Teal

#627C7A · ΔE 2.1

Cedar Mountains

#71887F · ΔE 4.4

Tropical Oasis

#597D7D · ΔE 4.5

Wetherburn's Blue

#6F8486 · ΔE 5.3

Porch Swing

#707C79 · ΔE 5.4

Verdigris

#55756C · ΔE 5.7

Jack Pine

#5A7169 · ΔE 5.8

Aegean Teal

#6F898B · ΔE 5.8

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 #657F7A?

#657F7A is Underwater World, a mid-tone grey with a cool undertone.

Is #657F7A warm or cool?

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

What rooms work best with Underwater World?

Underwater World works well in living rooms, bedrooms, bathrooms. Designers typically use it for walls, soft furniture, hard surfaces.

What colors pair well with Underwater World?

Underwater World pairs naturally with white trim, natural wood, brass, soft black accents. Its complementary color is also a strong contrast option for accents.

Where can I download Underwater World?

You can download Underwater World 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 Underwater World?

The hex code is #657F7A. In RGB it's 101, 127, 122, and in HSL it's 168°, 11%, 45%.

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