NEUTRALS

Rookwood Shutter Green

#303B39

RGB 48, 59, 57 · HSL 169°, 10%, 21% · CMYK 19, 0, 3, 77

Rookwood Shutter Green is #303B39 in HEX — rgb(48, 59, 57), hsl(169°, 10%, 21%), cmyk(19%, 0%, 3%, 77%).

Rookwood Shutter Green pulls into the deep end of the neutrals spectrum — HSL 169°, 10%, 21%. 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#303B39

RGB48, 59, 57

HSL169°, 10%, 21%

HSV169°, 19%, 23%

CMYK19, 0, 3, 77

Decimal3160889

CSS RGBrgb(48, 59, 57)

CSS HSLhsl(169, 10%, 21%)

Paint Matches — this color across 16 brands

Sherwin-Williams

Rookwood Shutter Green SW2809

Exact match

Behr

Stealth Jet 780F-7

ΔE 2 · #353C39

Dulux

Nimrod SG5G9

ΔE 2.1 · #343B37

Benjamin Moore

Salamander 2050-10

ΔE 2.5 · #303F3F

RAL

Black Green 6012

ΔE 3.2 · #343E40

Vista Paint

Moonless Sky K-848

ΔE 3.8 · #3A4040

Colorhouse

Nourish .06 Nourish-06

ΔE 4.2 · #313536

Dunn-Edwards

Refined Green DEA181

ΔE 4.3 · #384543

Kilz

Mystic Black TB-39

ΔE 4.5 · #383938

Hallman-Lindsay

Black Licorice 529

ΔE 4.7 · #3A3B3B

PPG

Dark As Night 14-05

ΔE 5.2 · #3D4645

Kobra

Black 44

ΔE 5.5 · #383737

Farrow & Ball

Pitch Black 256

ΔE 5.8 · #3B3938

Valspar

Nocturnal Green 5011-1

ΔE 6.4 · #414647

IKEA

IKEA186 186

ΔE 7 · #302F2F

Dutch Boy

Dark Green D-6751

ΔE 10.5 · #214136

Light Reflectance & Undertone

Light Reflectance Value (LRV)

4/100

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

#303B39

#3B3032

Analogous

#303B34

#303B39

#30383B

Triadic

#303B39

#39303B

#3B3930

Split-Complementary

#303B39

#3B3038

#3B3430

Tetradic

#303B39

#34303B

#3B3032

#383B30

Monochromatic

#0B0E0E

#0E1110

#303B39

#536562

#768F8A

Rectangle

#303B39

#30323B

#3B3032

#3B3930

Compound

#303B39

#30383B

#3B3032

#3B3430

Variations

Lighter

#546764

#7C908D

#B4BDBC

Darker

#262F2E

#1A2120

#0F1312

Saturation

#343737

#303B39

#185348

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

11.60:1

AAA

vs Black

1.81:1

Fail

Deuteranopia

#303B39

#37373A

Original → Simulated

Protanopia

#303B39

#393939

Original → Simulated

Tritanopia

#303B39

#313A3A

Original → Simulated

Color Psychology

Quiet · Versatile

Rookwood Shutter 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

#635946

Warm Bulb 2700K

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

#303B39

Daylight 5500K

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

#515E6A

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.

#392227

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 / Aura Interior (for richer color depth in deep tones)

Recommended Finishes

Matte (walls) · Pearl (trim) · Satin (doors)

Deep colors look best in matte — gloss exaggerates surface flaws. Reserve subtle sheen for trim, doors, and high-touch areas.

Best Surfaces

Accent walls · Doors · Cabinetry · Built-ins

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

Tinted primer in a similar value is highly recommended — saves a coat and prevents the wall colour from washing the surface.

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: #303B39;

CSS — background

background-color: #303B39;

CSS Variable

--color-rookwood-shutter-green: #303B39;

Tailwind v3 — config

colors: { 'rookwood-shutter-green': '#303B39' }

Tailwind — arbitrary

bg-[#303B39] text-[#303B39]

SCSS

$rookwood-shutter-green: #303B39;

Similar Colors

Salamander

#2F3E3E · ΔE 2.3

Blacktop

#393D3C · ΔE 3.5

Regent Green

#364042 · ΔE 3.7

Midnight

#373D3F · ΔE 3.8

Black Knight

#303536 · ΔE 3.9

Black Satin

#313435 · ΔE 4.7

Ebony King

#383A3C · ΔE 4.9

Black Tar

#38393A · ΔE 4.9

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 #303B39?

#303B39 is Rookwood Shutter Green, a deep neutral with a cool undertone.

Is #303B39 warm or cool?

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

What rooms work best with Rookwood Shutter Green?

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

What colors pair well with Rookwood Shutter Green?

Rookwood Shutter 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 Rookwood Shutter Green?

You can download Rookwood Shutter 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 Rookwood Shutter Green?

The hex code is #303B39. In RGB it's 48, 59, 57, and in HSL it's 169°, 10%, 21%.

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