GREENS

Seamount

#15646D

RGB 21, 100, 109 · HSL 186°, 68%, 25% · CMYK 81, 8, 0, 57

Seamount is #15646D in HEX — rgb(21, 100, 109), hsl(186°, 68%, 25%), cmyk(81%, 8%, 0%, 57%).

Seamount pulls into the deep end of the greens spectrum — HSL 186°, 68%, 25%. The balanced saturation makes it confident without overpowering, 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#15646D

RGB21, 100, 109

HSL186°, 68%, 25%

HSV186°, 81%, 43%

CMYK81, 8, 0, 57

Decimal1401965

CSS RGBrgb(21, 100, 109)

CSS HSLhsl(186, 68%, 25%)

Paint Matches — this color across 16 brands

Benjamin Moore

Jade 2056-20

ΔE 1.8 · #01646D

Dulux

Cool Dive S31G8

ΔE 1.9 · #00646F

Vista Paint

Caribbean Dream K-200

ΔE 2.7 · #006067

IKEA

IKEA097 97

ΔE 2.9 · #006673

PPG

Caribbean Holiday 13-28

ΔE 2.9 · #1C6B75

Dunn-Edwards

Teal Fury DE5762

ΔE 3.3 · #1A6C76

Valspar

Vintage Teal 5010-9

ΔE 3.3 · #0D6B74

Sherwin-Williams

Really Teal SW6489

ΔE 4.1 · #016367

Hallman-Lindsay

Bold Bolection historic-bold-bolection

ΔE 5 · #1D6575

Kilz

Teal Treat RF100-02

ΔE 5 · #297077

RAL

Water Blue 5021

ΔE 5.1 · #256D7B

Colorhouse

Dream .06 Dream-06

ΔE 5.3 · #0E707B

Behr

Teal Motif MQ6-35

ΔE 5.9 · #007078

Farrow & Ball

Vardo 288

ΔE 11.1 · #427E83

Dutch Boy

Ocean Blue D-6743

ΔE 12.2 · #4C6A74

Kobra

Green 38

ΔE 19.3 · #415448

Light Reflectance & Undertone

Light Reflectance Value (LRV)

10/100

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

#15646D

#6B1D14

Analogous

#146B48

#15646D

#14376B

Triadic

#15646D

#6B1462

#626B14

Split-Complementary

#15646D

#6B1437

#6B4814

Tetradic

#15646D

#48146B

#6B1D14

#376B14

Monochromatic

#041415

#08272B

#15646D

#219DAB

#3ECBDA

Rectangle

#15646D

#1D146B

#6B1D14

#626B14

Compound

#15646D

#14376B

#6B1D14

#6B4814

Variations

Lighter

#219DAB

#4AC1CF

#9CD6DC

Darker

#0F5057

#09383D

#042124

Saturation

#334A4D

#14626B

#0A6B75

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

6.83:1

vs Black

3.08:1

AA Large

Deuteranopia

#15646D

#4C546E

Original → Simulated

Protanopia

#15646D

#5C5C6C

Original → Simulated

Tritanopia

#15646D

#186562

Original → Simulated

Color Psychology

Calm · Restorative

Seamount 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

#4F786D

Warm Bulb 2700K

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

#15646D

Daylight 5500K

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

#3C7D91

Cool Bulb 6500K

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

Pairs With

#E8EDED

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.

#561D17

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: #15646D;

CSS — background

background-color: #15646D;

CSS Variable

--color-seamount: #15646D;

Tailwind v3 — config

colors: { 'seamount': '#15646D' }

Tailwind — arbitrary

bg-[#15646D] text-[#15646D]

SCSS

$seamount: #15646D;

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#226977 · ΔE 4.2

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#005F6F · ΔE 4.9

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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 #15646D?

#15646D is Seamount, a deep green with a cool undertone.

Is #15646D warm or cool?

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

What rooms work best with Seamount?

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

What colors pair well with Seamount?

Seamount 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 Seamount?

You can download Seamount 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 Seamount?

The hex code is #15646D. In RGB it's 21, 100, 109, and in HSL it's 186°, 68%, 25%.

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