GREENS

September Sea

#597570

RGB 89, 117, 112 · HSL 169°, 14%, 40% · CMYK 24, 0, 4, 54

September Sea is #597570 in HEX — rgb(89, 117, 112), hsl(169°, 14%, 40%), cmyk(24%, 0%, 4%, 54%).

September Sea pulls into the rich end of the greens spectrum — HSL 169°, 14%, 40%. The neutral saturation makes it near-neutral and forgiving, 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#597570

RGB89, 117, 112

HSL169°, 14%, 40%

HSV169°, 24%, 46%

CMYK24, 0, 4, 54

Decimal5862768

CSS RGBrgb(89, 117, 112)

CSS HSLhsl(169, 14%, 40%)

Paint Matches — this color across 16 brands

PPG

Evening Emerald 1144-6

ΔE 1.1 · #56736F

Valspar

Shady Palm 5003-6C

ΔE 1.6 · #547470

Dunn-Edwards

Stone Bridge DE5747

ΔE 2.3 · #52706C

Vista Paint

Under Water World K-857

ΔE 2.3 · #5A716D

Behr

Chelsea Garden MQ6-39

ΔE 2.4 · #556F6A

Dulux

Ocean Wave S28A6

ΔE 2.4 · #5E7A77

Colorhouse

Wool .05 Wool-05

ΔE 2.5 · #587675

Benjamin Moore

Jack 692 · CC-660

ΔE 2.6 · #5B726A

Hallman-Lindsay

Micropolis 472

ΔE 3 · #556E6B

Sherwin-Williams

Rocky River SW6215

ΔE 3.9 · #5E706A

Kilz

Culinary Herbs RG280-01

ΔE 6.6 · #5A6C5F

Farrow & Ball

Inchyra Blue 289

ΔE 7.7 · #586768

RAL

Mouse Grey 7005

ΔE 8.5 · #646B63

IKEA

IKEA116 116

ΔE 9.6 · #5E7A65

Dutch Boy

Ocean Blue D-6743

ΔE 9.9 · #4C6A74

Kobra

Green 38

ΔE 14.2 · #415448

Light Reflectance & Undertone

Light Reflectance Value (LRV)

16/100

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

#597570

#74585D

Analogous

#587461

#597570

#586B74

Triadic

#597570

#6F5874

#746F58

Split-Complementary

#597570

#74586B

#746158

Tetradic

#597570

#615874

#74585D

#6B7458

Monochromatic

#161D1C

#374945

#597570

#7C9C96

#A8BDB9

Rectangle

#597570

#585D74

#74585D

#746F58

Compound

#597570

#586B74

#74585D

#746158

Variations

Lighter

#73968F

#98AEAA

#C4CFCD

Darker

#465E59

#2F413E

#1B2624

Saturation

#626A69

#58746F

#2CA08B

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

5.00:1

vs Black

4.20:1

AA Large

Deuteranopia

#597570

#6B6C71

Original → Simulated

Protanopia

#597570

#717171

Original → Simulated

Tritanopia

#597570

#5B7473

Original → Simulated

Color Psychology

Calm · Restorative

September Sea 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

#82846F

Warm Bulb 2700K

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

#597570

Daylight 5500K

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

#6F8993

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.

#6C4149

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: #597570;

CSS — background

background-color: #597570;

CSS Variable

--color-september-sea: #597570;

Tailwind v3 — config

colors: { 'september-sea': '#597570' }

Tailwind — arbitrary

bg-[#597570] text-[#597570]

SCSS

$september-sea: #597570;

Similar Colors

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#5A7169 · ΔE 2.8

Verdigris

#55756C · ΔE 2.9

Caribbean Teal

#627C7A · ΔE 3.6

Polar Jade

#4E6C6B · ΔE 4.4

Tropical Oasis

#597D7D · ΔE 4.7

Pacific Rim

#517B77 · ΔE 4.9

Caldwell Green

#627067 · ΔE 5.7

Enchanted Forest

#606E63 · ΔE 6.4

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 #597570?

#597570 is September Sea, a mid-tone green with a cool undertone.

Is #597570 warm or cool?

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

What rooms work best with September Sea?

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

What colors pair well with September Sea?

September Sea 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 September Sea?

You can download September Sea 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 September Sea?

The hex code is #597570. In RGB it's 89, 117, 112, and in HSL it's 169°, 14%, 40%.

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