GREYS

River Rhythm

#89978D

RGB 137, 151, 141 · HSL 137°, 6%, 56% · CMYK 9, 0, 7, 41

River Rhythm is #89978D in HEX — rgb(137, 151, 141), hsl(137°, 6%, 56%), cmyk(9%, 0%, 7%, 41%).

River Rhythm pulls into the mid-tone end of the greys spectrum — HSL 137°, 6%, 56%. 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#89978D

RGB137, 151, 141

HSL137°, 6%, 56%

HSV137°, 9%, 59%

CMYK9, 0, 7, 41

Decimal9017229

CSS RGBrgb(137, 151, 141)

CSS HSLhsl(137, 6%, 56%)

Paint Matches — this color across 16 brands

Vista Paint

River Rhythm K-867

Exact match

Benjamin Moore

Rushing 1574

ΔE 1.1 · #8C988F

PPG

Gray Heron 1033-5

ΔE 2.7 · #89928A

Dulux

Falkland SG5H4

ΔE 3.1 · #839791

Sherwin-Williams

Jasper Stone SW9133

ΔE 3.2 · #8D9E97

RAL

Traffic Grey A 7042

ΔE 3.2 · #8D948D

Behr

Eucalyptus QE-44

ΔE 3.4 · #8C9F97

Hallman-Lindsay

Kathleen's Garden 464

ΔE 3.8 · #8FA099

Valspar

Beguile 5002-2A

ΔE 4.3 · #86908C

Kilz

June Gloom TB-67

ΔE 4.3 · #869B97

Dunn-Edwards

Sycamore Stand DEC781

ΔE 4.4 · #959E8F

Farrow & Ball

Card Room Green 79

ΔE 4.5 · #899081

IKEA

IKEA194 194

ΔE 5.2 · #9A9E95

Dutch Boy

Smoky Gray VS-9305

ΔE 5.6 · #95958D

Colorhouse

Stone .07 Stone-07

ΔE 6.2 · #848A86

Kobra

Grey 42

ΔE 11.2 · #889099

Light Reflectance & Undertone

Light Reflectance Value (LRV)

29/100

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

TemperatureNeutral MasstoneGreen UndertoneBlue

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

Color Theory

Complementary

#89978D

#968892

Analogous

#8B9688

#89978D

#889693

Triadic

#89978D

#8C8896

#968C88

Split-Complementary

#89978D

#938896

#96888B

Tetradic

#89978D

#888B96

#968892

#969388

Monochromatic

#3E4641

#626F66

#89978D

#B1B9B3

#D9DDDA

Rectangle

#89978D

#889296

#968892

#968C88

Compound

#89978D

#889693

#968892

#96888B

Variations

Lighter

#A0ABA3

#B8BFBA

#D6D9D7

Darker

#6B796F

#49544C

#2B312C

Saturation

#8D918E

#88968C

#53CA75

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

3.05:1

AA Large

vs Black

6.87:1

Deuteranopia

#89978D

#93928E

Original → Simulated

Protanopia

#89978D

#95958E

Original → Simulated

Tritanopia

#89978D

#8A9596

Original → Simulated

Color Psychology

Quiet · Versatile

River Rhythm 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

#A69E85

Warm Bulb 2700K

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

#89978D

Daylight 5500K

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

#93A3A9

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.

#985B87

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: #89978D;

CSS — background

background-color: #89978D;

CSS Variable

--color-river-rhythm: #89978D;

Tailwind v3 — config

colors: { 'river-rhythm': '#89978D' }

Tailwind — arbitrary

bg-[#89978D] text-[#89978D]

SCSS

$river-rhythm: #89978D;

Similar Colors

Rushing River

#8B978E · ΔE 1.0

Sea Glass

#919E97 · ΔE 3.3

Sioux Falls

#7F958E · ΔE 3.6

Sea Pine

#8B9490 · ΔE 4.0

Carolina Gull

#858D81 · ΔE 4.3

Garden Oasis

#7D8D81 · ΔE 4.3

Azores

#89A098 · ΔE 4.4

Heather Gray

#99A196 · ΔE 4.8

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 #89978D?

#89978D is River Rhythm, a mid-tone grey with a cool undertone.

Is #89978D warm or cool?

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

What rooms work best with River Rhythm?

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

What colors pair well with River Rhythm?

River Rhythm 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 River Rhythm?

You can download River Rhythm 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 River Rhythm?

The hex code is #89978D. In RGB it's 137, 151, 141, and in HSL it's 137°, 6%, 56%.

← All colors