Nearest named color: Light Sea Green
#20AFA3
#20AFA3
Nearest named
Light Sea Green
Family
Blue
Lightness
68.1%
Chroma
0.114
Hue angle
185.9°
Temperature
Cool
Contrast on white
2.72:1 · Fail
Contrast on black
6.83:1 · AA
Web-safe
#339999
CSS oklch()
68% 0.11 186

#20AFA3 is a mid-toned, cool cyan. It carries a legible label as a UI accent and sits well as a supporting tone.

Palettes built on #20AFA3

Not just a swatch — here's how #20AFA3 works with other colors. Named schemes with #20AFA3 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.

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.

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.

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.

Build a working theme in the generator →

Color Lab

How #20AFA3 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 26/100
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 28/100
Low
Loosely natural — an earthy edge without being rustic.
Vintage feel 46/100
Moderate
A faint retro warmth without tipping into sepia.
Luxury 40/100
Low
Understated — leans refined without going austere.
Brand distinctiveness 44/100
Moderate
Recognisable but shares space with nearby hues.
UI accent fit 65/100
High
Strong interactive accent — visible and can carry a legible label.
Surface fit 35/100
Low
Usable as a tinted surface in measured doses.
Print safety 74/100
High
Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #20AFA3

For UI
For branding
For interior
For fashion
People also use #20AFA3 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 6.8:1. Use
Subtle surface Use #D2F0ED for cards and hover fills. Tint 80
Avoid beside #208DB1 — 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 #20AFA3 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: #20AFA3;
  --color-base-rgb: 32 175 163;
  --color-base-oklch: oklch(68.1% 0.114 185.9);
  --color-50: #F2FDFC;
  --color-100: #DCF9F7;
  --color-200: #BAF2EE;
  --color-300: #8BE4DD;
  --color-400: #60D2C9;
  --color-500: #3EB7AD;
  --color-600: #368C85;
  --color-700: #2C635F;
  --color-800: #20413E;
  --color-900: #152826;
  --color-on-base: #141310;
}