GREENS

Arctic Nights

#345C61

RGB 52, 92, 97 · HSL 187°, 30%, 29% · CMYK 46, 5, 0, 62

Arctic Nights is #345C61 in HEX — rgb(52, 92, 97), hsl(187°, 30%, 29%), cmyk(46%, 5%, 0%, 62%).

Arctic Nights pulls into the deep end of the greens spectrum — HSL 187°, 30%, 29%. The muted saturation makes it quiet but present, and the hue reads cool. In interior projects it shines on bedrooms, bathrooms, libraries — for grounding, restorative spaces. Reads best alongside soft white walls, oak floors, brass, warm clay accents.

Color Codes

HEX#345C61

RGB52, 92, 97

HSL187°, 30%, 29%

HSV187°, 46%, 38%

CMYK46, 5, 0, 62

Decimal3431521

CSS RGBrgb(52, 92, 97)

CSS HSLhsl(187, 30%, 29%)

Paint Matches — this color across 16 brands

Dulux

Deep Arctic S30B7

ΔE 1.6 · #345E61

Sherwin-Williams

Deep Sea Dive SW7618

ΔE 2.1 · #376167

Behr

Marine Magic 740F-6

ΔE 2.6 · #3B5B5E

Valspar

Classic Teal 5011-8

ΔE 3 · #285B62

Dunn-Edwards

After the Storm DE5769

ΔE 3.3 · #33616A

Hallman-Lindsay

Frozen Stream 669

ΔE 3.5 · #30555D

Benjamin Moore

Dark 2053-20

ΔE 3.7 · #265B5F

Vista Paint

Turquoise Ocean K-1250

ΔE 3.7 · #245A61

PPG

Deep Emerald 1148-7

ΔE 3.8 · #2A545C

Kilz

Fathoms Below RE290-02

ΔE 4.1 · #3F5A5F

Dutch Boy

Ocean Blue D-6743

ΔE 8 · #4C6A74

Colorhouse

Wool .06 Wool-06

ΔE 9.3 · #485761

Farrow & Ball

Hague Blue 30

ΔE 9.4 · #3D4E57

RAL

Pearl Gentian Blue 5025

ΔE 10 · #2A6478

IKEA

IKEA097 97

ΔE 10.6 · #006673

Kobra

Green 38

ΔE 12.4 · #415448

Light Reflectance & Undertone

Light Reflectance Value (LRV)

9/100

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

Reads as a cool teal with a green undertone showing through, especially in daylight. Pair trim and adjacent colours to either calm or amplify that undertone.

Color Theory

Complementary

#345C61

#603934

Analogous

#34604F

#345C61

#344560

Triadic

#345C61

#60345B

#5B6034

Split-Complementary

#345C61

#603445

#604F34

Tetradic

#345C61

#4F3460

#603934

#456034

Monochromatic

#091011

#192C2E

#345C61

#4F8A92

#77AEB6

Rectangle

#345C61

#393460

#603934

#5B6034

Compound

#345C61

#344560

#603934

#604F34

Variations

Lighter

#4D878F

#77A8AE

#B2CACD

Darker

#29494E

#1B3336

#0F1E20

Saturation

#434F51

#345B60

#1A6F7A

Interior Use

Best Rooms

bedrooms, bathrooms, libraries

Best Uses

main walls, cabinetry, soft furniture

Pairs With

soft white walls, oak floors, brass, warm clay accents

Accessibility (WCAG)

vs White

7.37:1

AAA

vs Black

2.85:1

Fail

Deuteranopia

#345C61

#4D5262

Original → Simulated

Protanopia

#345C61

#575760

Original → Simulated

Tritanopia

#345C61

#355C5A

Original → Simulated

Color Psychology

Calm · Restorative

Arctic Nights sits in the part of the spectrum the eye relaxes into. Designers reach for green when a room needs to feel like a refuge — bedrooms, libraries, bathrooms — because it lowers visual blood-pressure without flattening the space.

SymbolismGrowth, balance, nature

PersonalitySteady, grounded, thoughtful

calmnaturerestorativebalancebedroomlibrary

How it looks under different light

#667264

Warm Bulb 2700K

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

#345C61

Daylight 5500K

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

#547788

Cool Bulb 6500K

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

Pairs With

#E9EBEC

Trim

Matched off-white

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

#F7F8F8

Ceiling

Whisper tint

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

#4F332F

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: #345C61;

CSS — background

background-color: #345C61;

CSS Variable

--color-arctic-nights: #345C61;

Tailwind v3 — config

colors: { 'arctic-nights': '#345C61' }

Tailwind — arbitrary

bg-[#345C61] text-[#345C61]

SCSS

$arctic-nights: #345C61;

Similar Colors

Dark Teal

#255A5E · ΔE 3.8

Olympus Green

#3D585B · ΔE 4.2

Deep Sea Green

#255456 · ΔE 4.8

Oasis Blue

#225A5D · ΔE 4.8

Dollar Bill Green

#325654 · ΔE 5.1

Dragonfly

#3D615E · ΔE 5.4

Stained Glass

#44646D · ΔE 5.4

Bermuda Turquoise

#285E6B · ΔE 5.6

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 #345C61?

#345C61 is Arctic Nights, a deep green with a cool undertone.

Is #345C61 warm or cool?

Arctic Nights reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Arctic Nights?

Arctic Nights works well in bedrooms, bathrooms, libraries. Designers typically use it for main walls, cabinetry, soft furniture.

What colors pair well with Arctic Nights?

Arctic Nights pairs naturally with soft white walls, oak floors, brass, warm clay accents. Its complementary color is also a strong contrast option for accents.

Where can I download Arctic Nights?

You can download Arctic Nights 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 Arctic Nights?

The hex code is #345C61. In RGB it's 52, 92, 97, and in HSL it's 187°, 30%, 29%.

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