NEUTRALS

Opening Night

#42423E

RGB 66, 66, 62 · HSL 60°, 3%, 25% · CMYK 0, 0, 6, 74

Opening Night is #42423E in HEX — rgb(66, 66, 62), hsl(60°, 3%, 25%), cmyk(0%, 0%, 6%, 74%).

Opening Night pulls into the deep end of the neutrals spectrum — HSL 60°, 3%, 25%. 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#42423E

RGB66, 66, 62

HSL60°, 3%, 25%

HSV60°, 6%, 26%

CMYK0, 0, 6, 74

Decimal4342334

CSS RGBrgb(66, 66, 62)

CSS HSLhsl(60, 3%, 25%)

Paint Matches — this color across 16 brands

Vista Paint

Opening Night K-824

Exact match

Sherwin-Williams

Iron Ore SW7069

ΔE 1.4 · #434341

Dulux

Storm Warning S12A8

ΔE 1.5 · #44413E

Kilz

Dark Sky RM250

ΔE 1.5 · #464541

Behr

Broadway PPU18-20

ΔE 1.6 · #434442

Hallman-Lindsay

November Storms 543

ΔE 1.7 · #423F3B

PPG

Onyx 1011-7

ΔE 2.5 · #464544

Benjamin Moore

Notre CSP-570

ΔE 3 · #414444

RAL

Black Olive 6015

ΔE 3.2 · #3B3C36

Valspar

Fired Earth 6011-1

ΔE 3.3 · #4B4845

Farrow & Ball

Off-Black 57

ΔE 3.5 · #444546

Dunn-Edwards

Black Tie DE6357

ΔE 3.7 · #464647

Colorhouse

Metal .06 Metal-06

ΔE 4.6 · #3F4647

Kobra

Black 44

ΔE 5.4 · #383737

IKEA

IKEA152 152

ΔE 6.6 · #494F50

Dutch Boy

Seal of Grey VS-9301

ΔE 9.5 · #575757

Light Reflectance & Undertone

Light Reflectance Value (LRV)

5/100

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

TemperatureNeutral MasstoneYellow UndertoneGreen

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

Color Theory

Complementary

#42423E

#3E3E42

Analogous

#42403E

#42423E

#40423E

Triadic

#42423E

#3E4242

#423E42

Split-Complementary

#42423E

#3E4042

#403E42

Tetradic

#42423E

#3E4240

#3E3E42

#423E40

Monochromatic

#0D0D0C

#1A1A19

#42423E

#696963

#909089

Rectangle

#42423E

#3E423E

#3E3E42

#423E42

Compound

#42423E

#40423E

#3E3E42

#403E42

Variations

Lighter

#696963

#8F8F89

#BDBDBB

Darker

#353531

#242422

#151514

Saturation

#40403F

#42423E

#61611F

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

10.09:1

AAA

vs Black

2.08:1

Fail

Deuteranopia

#42423E

#43423E

Original → Simulated

Protanopia

#42423E

#42423F

Original → Simulated

Tritanopia

#42423E

#424142

Original → Simulated

Color Psychology

Quiet · Versatile

Opening Night 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

#715E4A

Warm Bulb 2700K

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

#42423E

Daylight 5500K

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

#5E636E

Cool Bulb 6500K

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

Pairs With

#EBEBEA

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.

#292944

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: #42423E;

CSS — background

background-color: #42423E;

CSS Variable

--color-opening-night: #42423E;

Tailwind v3 — config

colors: { 'opening-night': '#42423E' }

Tailwind — arbitrary

bg-[#42423E] text-[#42423E]

SCSS

$opening-night: #42423E;

Similar Colors

Notre Dame

#404343 · ΔE 2.9

Cordovan Brown

#4A4442 · ΔE 3.4

Black Panther

#3D3F40 · ΔE 3.6

Blacktop

#393D3C · ΔE 3.6

Graphite

#444647 · ΔE 3.8

Black Jack

#3D3D3E · ΔE 3.8

Midnight Oil

#464748 · ΔE 4.0

Night Horizon

#4B433D · ΔE 4.1

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 #42423E?

#42423E is Opening Night, a deep neutral with a cool undertone.

Is #42423E warm or cool?

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

What rooms work best with Opening Night?

Opening Night works well in living rooms, bedrooms, kitchens. Designers typically use it for main walls, trim, accents.

What colors pair well with Opening Night?

Opening Night 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 Opening Night?

You can download Opening Night 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 Opening Night?

The hex code is #42423E. In RGB it's 66, 66, 62, and in HSL it's 60°, 3%, 25%.

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