Nearest named color: Light Sea Green
#09ABBC
#09ABBC
Nearest named
Light Sea Green
Family
Blue
Lightness
67.8%
Chroma
0.115
Hue angle
207.4°
Temperature
Cool
Contrast on white
2.78:1 · Fail
Contrast on black
6.69:1 · AA
Web-safe
#0099CC
CSS oklch()
68% 0.12 207

#09ABBC is a mid-toned, cool cyan-blue. On the Color Lab it reads clean and engineered. It carries a legible label as a UI accent and sits well as a supporting tone.

Palettes built on #09ABBC

Not just a swatch — here's how #09ABBC works with other colors. Named schemes with #09ABBC in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

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

Nordic Calm Accent · 5 colors

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

Tech Product Signal · 5 colors

Light Sea Green is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Light Sea Green.

Minimal Editorial Surface · 5 colors

Light 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 Light Sea Green carrying the quiet middle.

Modern Café Dominant · 5 colors

Light Sea Green anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

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Color Lab

How #09ABBC 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 18/100
Cool
Reads cool and recessive — calming, technical, good for trust-led UI.
Softness 54/100
Moderate
Middle-weight — neither delicate nor heavy.
Depth 32/100
Low
Mid depth — usable as an accent or a muted ground.
Naturalness 6/100
Very low
Reads engineered rather than organic — synthetic, digital.
Vintage feel 43/100
Moderate
A faint retro warmth without tipping into sepia.
Luxury 40/100
Moderate
Understated — leans refined without going austere.
Brand distinctiveness 45/100
Moderate
Recognisable but shares space with nearby hues.
UI accent fit 67/100
High
Strong interactive accent — visible and can carry a legible label.
Surface fit 34/100
Low
Usable as a tinted surface in measured doses.
Print safety 69/100
High
Prints close, with a slight loss of vibrancy.

Pairs with #09ABBC

For UI
For branding
For interior
For fashion
People also use #09ABBC with

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AA
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 6.7:1. Use
Subtle surface Use #CCF0F4 for cards and hover fills. Tint 80
Avoid beside #0970BE — 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 #09ABBC 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: #09ABBC;
  --color-base-rgb: 9 171 188;
  --color-base-oklch: oklch(67.8% 0.115 207.4);
  --color-50: #F0FDFE;
  --color-100: #D8FAFD;
  --color-200: #B1F4FB;
  --color-300: #7DE7F2;
  --color-400: #4ED5E4;
  --color-500: #2ABACB;
  --color-600: #288E9A;
  --color-700: #23656C;
  --color-800: #1B4246;
  --color-900: #12282B;
  --color-on-base: #141310;
}