GREENS

Firmament

#3B676F

RGB 59, 103, 111 · HSL 189°, 31%, 33% · CMYK 47, 7, 0, 56

Firmament is #3B676F in HEX — rgb(59, 103, 111), hsl(189°, 31%, 33%), cmyk(47%, 7%, 0%, 56%).

Firmament pulls into the rich end of the greens spectrum — HSL 189°, 31%, 33%. 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#3B676F

RGB59, 103, 111

HSL189°, 31%, 33%

HSV189°, 47%, 44%

CMYK47, 7, 0, 56

Decimal3893103

CSS RGBrgb(59, 103, 111)

CSS HSLhsl(189, 31%, 33%)

Paint Matches — this color across 16 brands

Valspar

Firmament 5003-8C

Exact match

Dulux

Turquoise Sea S32B8

ΔE 1.5 · #35666F

Dunn-Edwards

After the Storm DE5769

ΔE 2.6 · #33616A

Kilz

Tempest RE290-01

ΔE 2.6 · #3A6C73

Sherwin-Williams

Deep Sea Dive SW7618

ΔE 2.7 · #376167

Behr

Whale Gray N470-6

ΔE 2.7 · #43666E

Benjamin Moore

Stained CSP-685

ΔE 3.8 · #45656E

PPG

Azalea Leaf 1149-6

ΔE 4.6 · #4A6871

Dutch Boy

Ocean Blue D-6743

ΔE 5.1 · #4C6A74

Vista Paint

Bold Bolection C-1374

ΔE 5.8 · #286474

RAL

Water Blue 5021

ΔE 6.8 · #256D7B

Hallman-Lindsay

Bold Bolection historic-bold-bolection

ΔE 7 · #1D6575

IKEA

IKEA097 97

ΔE 9 · #006673

Colorhouse

Wool .05 Wool-05

ΔE 9.3 · #587675

Farrow & Ball

Vardo 288

ΔE 9.8 · #427E83

Kobra

Green 38

ΔE 15.8 · #415448

Light Reflectance & Undertone

Light Reflectance Value (LRV)

12/100

Dark

0 · DarkLight · 100

Soaks up light and feels moody and intimate. Great for studies, dining rooms and accent walls; pair with ample lighting.

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

#3B676F

#6E423A

Analogous

#3A6E5C

#3B676F

#3A4C6E

Triadic

#3B676F

#6E3A66

#666E3A

Split-Complementary

#3B676F

#6E3A4C

#6E5C3A

Tetradic

#3B676F

#5C3A6E

#6E423A

#4C6E3A

Monochromatic

#091011

#20383C

#3B676F

#5495A0

#83B5BE

Rectangle

#3B676F

#423A6E

#6E423A

#666E3A

Compound

#3B676F

#3A4C6E

#6E423A

#6E5C3A

Variations

Lighter

#52909B

#7DABB4

#B6CCD0

Darker

#2D5359

#1F393E

#112225

Saturation

#4C5A5C

#3A666E

#1D7B8B

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

6.26:1

vs Black

3.36:1

AA Large

Deuteranopia

#3B676F

#565C70

Original → Simulated

Protanopia

#3B676F

#61616E

Original → Simulated

Tritanopia

#3B676F

#3C6866

Original → Simulated

Color Psychology

Calm · Restorative

Firmament 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

#6C7A6E

Warm Bulb 2700K

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

#3B676F

Daylight 5500K

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

#597F93

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.

#5A3A35

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: #3B676F;

CSS — background

background-color: #3B676F;

CSS Variable

--color-firmament: #3B676F;

Tailwind v3 — config

colors: { 'firmament': '#3B676F' }

Tailwind — arbitrary

bg-[#3B676F] text-[#3B676F]

SCSS

$firmament: #3B676F;

Similar Colors

Stained Glass

#44646D · ΔE 3.8

Fair Isle Blue

#496E73 · ΔE 4.0

Coat of Arms

#3C6C7A · ΔE 4.2

Bermuda Turquoise

#285E6B · ΔE 5.3

Varsity Blues

#226977 · ΔE 6.4

Dark Teal

#255A5E · ΔE 6.9

Bella Blue

#54747C · ΔE 7.0

Polar Jade

#4E6C6B · ΔE 7.0

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 #3B676F?

#3B676F is Firmament, a deep green with a cool undertone.

Is #3B676F warm or cool?

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

What rooms work best with Firmament?

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

What colors pair well with Firmament?

Firmament 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 Firmament?

You can download Firmament 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 Firmament?

The hex code is #3B676F. In RGB it's 59, 103, 111, and in HSL it's 189°, 31%, 33%.

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