NEUTRALS

Deep River Green

#404E50

RGB 64, 78, 80 · HSL 187°, 11%, 28% · CMYK 20, 2, 0, 69

Deep River Green is #404E50 in HEX — rgb(64, 78, 80), hsl(187°, 11%, 28%), cmyk(20%, 2%, 0%, 69%).

Deep River Green pulls into the deep end of the neutrals spectrum — HSL 187°, 11%, 28%. The neutral saturation makes it near-neutral and forgiving, and the hue reads cool. In interior projects it shines on main walls, trims, ceilings — versatile across nearly any style. Reads best alongside soft whites, natural wood, matte black trim, linen.

Color Codes

HEX#404E50

RGB64, 78, 80

HSL187°, 11%, 28%

HSV187°, 20%, 31%

CMYK20, 2, 0, 69

Decimal4214352

CSS RGBrgb(64, 78, 80)

CSS HSLhsl(187, 11%, 28%)

Paint Matches — this color across 16 brands

Valspar

Deep River Green 5010-3

Exact match

Dunn-Edwards

Lunar Eclipse DE5776

ΔE 1.1 · #415053

Behr

Black Space BXC-30

ΔE 1.4 · #3E4B4E

Vista Paint

Calm Interlude C-500

ΔE 1.6 · #3D4C50

Hallman-Lindsay

Calm Interlude 501

ΔE 1.7 · #3C4D51

Benjamin Moore

Lead 2131-30

ΔE 2 · #444F53

PPG

Obsidian 1035-7

ΔE 2.4 · #445055

RAL

Iron Grey 7011

ΔE 2.5 · #434B4D

Sherwin-Williams

Mount Etna SW7625

ΔE 2.9 · #3D484C

Dulux

Copycat SG5C7

ΔE 2.9 · #435157

IKEA

IKEA152 152

ΔE 3.4 · #494F50

Kilz

Oceans Deep TB-60

ΔE 4.1 · #395255

Colorhouse

Metal .06 Metal-06

ΔE 4.1 · #3F4647

Farrow & Ball

Studio Green 93

ΔE 4.4 · #464C49

Dutch Boy

Seal of Grey VS-9301

ΔE 7.6 · #575757

Kobra

Green 38

ΔE 9.4 · #415448

Light Reflectance & Undertone

Light Reflectance Value (LRV)

7/100

Very Dark

0 · DarkLight · 100

Absorbs almost all light — dramatic and cocooning. Needs strong artificial lighting and works best as an accent or in well-lit rooms.

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

#404E50

#4F4140

Analogous

#404F49

#404E50

#40464F

Triadic

#404E50

#4F404D

#4D4F40

Split-Complementary

#404E50

#4F4046

#4F4940

Tetradic

#404E50

#49404F

#4F4140

#464F40

Monochromatic

#0B0E0E

#1E2425

#404E50

#62777A

#889DA0

Rectangle

#404E50

#41404F

#4F4140

#4D4F40

Compound

#404E50

#40464F

#4F4140

#4F4940

Variations

Lighter

#607578

#87999B

#BAC3C4

Darker

#333E40

#232B2C

#14191A

Saturation

#45494A

#404D4F

#20666F

Interior Use

Best Rooms

living rooms, bedrooms, kitchens

Best Uses

main walls, trim, accents

Pairs With

soft whites, natural wood, brass, matte black trim

Accessibility (WCAG)

vs White

8.66:1

AAA

vs Black

2.42:1

Fail

Deuteranopia

#404E50

#484A51

Original → Simulated

Protanopia

#404E50

#4C4C50

Original → Simulated

Tritanopia

#404E50

#404E4D

Original → Simulated

Color Psychology

Quiet · Versatile

Deep River Green 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

#6F6757

Warm Bulb 2700K

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

#404E50

Daylight 5500K

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

#5D6C7B

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.

#4C312E

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: #404E50;

CSS — background

background-color: #404E50;

CSS Variable

--color-deep-river-green: #404E50;

Tailwind v3 — config

colors: { 'deep-river-green': '#404E50' }

Tailwind — arbitrary

bg-[#404E50] text-[#404E50]

SCSS

$deep-river-green: #404E50;

Similar Colors

Lead Gray

#434E52 · ΔE 1.8

Narragansett Green

#435155 · ΔE 1.9

Stonecutter

#434C4F · ΔE 2.2

Amazon Green

#415457 · ΔE 2.9

Brush Blue

#414F57 · ΔE 3.9

Midnight Blue

#494E52 · ΔE 4.0

Everard Blue

#3D5459 · ΔE 4.1

Raccoon Fur

#464A4D · ΔE 4.2

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 #404E50?

#404E50 is Deep River Green, a deep neutral with a cool undertone.

Is #404E50 warm or cool?

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

What rooms work best with Deep River Green?

Deep River Green works well in living rooms, bedrooms, kitchens. Designers typically use it for main walls, trim, accents.

What colors pair well with Deep River Green?

Deep River Green pairs naturally with soft whites, natural wood, brass, matte black trim. Its complementary color is also a strong contrast option for accents.

Where can I download Deep River Green?

You can download Deep River Green 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 Deep River Green?

The hex code is #404E50. In RGB it's 64, 78, 80, and in HSL it's 187°, 11%, 28%.

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