Nearest named color: Light Sea Green
#12AFAA
#12AFAA
Nearest named
Light Sea Green
Family
Blue
Lightness
68.2%
Chroma
0.115
Hue angle
191.1°
Temperature
Cool
Contrast on white
2.71:1 · Fail
Contrast on black
6.85:1 · AA
Web-safe
#009999
CSS oklch()
68% 0.11 191

#12AFAA is a mid-toned, cool cyan. 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 #12AFAA

Not just a swatch — here's how #12AFAA works with other colors. Named schemes with #12AFAA 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 #12AFAA 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 23/100
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 20/100
Low
Reads engineered rather than organic — synthetic, digital.
Vintage feel 44/100
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 72/100
High
Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #12AFAA

For UI
For branding
For interior
For fashion
People also use #12AFAA 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 #CDF2F1 for cards and hover fills. Tint 80
Avoid beside #1280AF — 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 #12AFAA at work across the surfaces designers actually ship.

Website / UI
Northwind Sign up
Build faster.
A working theme, generated in seconds.
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: #12AFAA;
  --color-base-rgb: 18 175 170;
  --color-base-oklch: oklch(68.2% 0.115 191.1);
  --color-50: #F1FEFE;
  --color-100: #D9FCFB;
  --color-200: #B5F7F5;
  --color-300: #83ECE8;
  --color-400: #56DCD8;
  --color-500: #33C2BD;
  --color-600: #2E9390;
  --color-700: #276866;
  --color-800: #1D4443;
  --color-900: #142A29;
  --color-on-base: #141310;
}