Nearest named color: Dark Sea Green
#6BB899
#6BB899
Nearest named
Dark Sea Green
Family
Green
Lightness
72.4%
Chroma
0.090
Hue angle
166.2°
Temperature
Cool
Contrast on white
2.35:1 · Fail
Contrast on black
7.91:1 · AAA
Web-safe
#66CC99
CSS oklch()
72% 0.09 166

#6BB899 is a mid-toned, cool teal. On the Color Lab it reads organic and grounded. It reproduces cleanly in print.

Palettes built on #6BB899

Not just a swatch — here's how #6BB899 works with other colors. Named schemes with #6BB899 in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Dark Sea Green keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Japanese Sand Base · 5 colors

Dark Sea Green sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Coastal Morning Lead · 5 colors

Dark Sea Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Desert Clay Center · 5 colors

Dark Sea Green holds the warm center of this desert palette with sand and clay beside it, a muted-sage accent and a dark-brown anchor.

Minimal Editorial Surface · 5 colors

Dark Sea Green is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Dark Sea Green carrying the quiet middle.

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Color Lab

How #6BB899 actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.

Warmth 38/100
Neutral
Balanced temperature — flexible, sits between warm and cool schemes.
Softness 61/100
High
Middle-weight — neither delicate nor heavy.
Depth 27/100
Low
Airy and open — recedes, leaves the composition light.
Naturalness 65/100
High
Organic, earthy character — at home in wellness, food and craft brands.
Vintage feel 52/100
Moderate
A faint retro warmth without tipping into sepia.
Luxury 35/100
Low
Understated — leans refined without going austere.
Brand distinctiveness 35/100
Low
Recognisable but shares space with nearby hues.
UI accent fit 47/100
Moderate
Workable accent with care around contrast.
Surface fit 46/100
Moderate
Usable as a tinted surface in measured doses.
Print safety 83/100
Very high
Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #6BB899

For UI
For branding
For interior
For fashion
People also use #6BB899 with

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AAA
Body text Do not use for body copy on light surfaces. Avoid
Large display Only on dark surfaces. Avoid
Background Pair with #141310 text at 7.9:1. Use
Subtle surface Use #E4EFEA for cards and hover fills. Tint 80
Avoid beside #6BB8B3 — the hue gap is too small to read as intentional. Clash

In real applications

Not a swatch to memorise — a color to build with. Here is #6BB899 at work across the surfaces designers actually ship.

Website / UI
Northwind Sign up
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Dashboard
Revenue
$48.2k ▲ 12%
Brand
AVELINE
Studio
Poster
Nov 14 · 8PM
NIGHT
MARKET
Packaging
BLOOM
Botanical Wash
250 ml
Interior

Scales

ShadesBase darkened in 10% steps
TintsBase lifted toward white
TonesSaturation removed, lightness held
Monochromatic scaleDesign-system ready, 50–900

Every model

Export

:root {
  --color-base: #6BB899;
  --color-base-rgb: 107 184 153;
  --color-base-oklch: oklch(72.4% 0.090 166.2);
  --color-50: #F4FAF8;
  --color-100: #E3F2EC;
  --color-200: #C8E4D9;
  --color-300: #A1CEBC;
  --color-400: #7CB69F;
  --color-500: #5C9981;
  --color-600: #4B7765;
  --color-700: #39564A;
  --color-800: #283932;
  --color-900: #1A2320;
  --color-on-base: #141310;
}