Nearest named color: Turquoise
#51E1AA
#51E1AA
Nearest named
Turquoise
Family
Green
Lightness
81.8%
Chroma
0.147
Hue angle
164.1°
Temperature
Cool
Contrast on white
1.65:1 · Fail
Contrast on black
11.24:1 · AAA
Web-safe
#66CC99
CSS oklch()
82% 0.15 164

#51E1AA is a mid-toned, cool teal-green. On the Color Lab it reads organic and grounded. It is too pale to lead as a primary accent and sits well as a supporting tone.

Palettes built on #51E1AA

Not just a swatch — here's how #51E1AA works with other colors. Named schemes with #51E1AA in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Turquoise leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.

Coastal Morning Lead · 5 colors

Turquoise 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

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

Warm Autumn Interior Dominant · 5 colors

This palette keeps Turquoise as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.

Minimal Editorial Surface · 5 colors

Turquoise 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 Turquoise carrying the quiet middle.

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Color Lab

How #51E1AA 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 32/100
Cool
Reads cool and recessive — calming, technical, good for trust-led UI.
Softness 59/100
Moderate
Middle-weight — neither delicate nor heavy.
Depth 19/100
Very low
Airy and open — recedes, leaves the composition light.
Naturalness 61/100
High
Organic, earthy character — at home in wellness, food and craft brands.
Vintage feel 29/100
Low
A faint retro warmth without tipping into sepia.
Luxury 24/100
Low
Playful and accessible rather than exclusive.
Brand distinctiveness 57/100
Moderate
Recognisable but shares space with nearby hues.
UI accent fit 24/100
Low
Weak as an action color — too pale, too dark or too muted to signal.
Surface fit 38/100
Low
Usable as a tinted surface in measured doses.
Print safety 71/100
High
Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #51E1AA

For UI
For branding
For interior
For fashion

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 11.2:1. Use
Subtle surface Use #E0F5ED for cards and hover fills. Tint 80
Avoid beside #51E1DA — 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 #51E1AA 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: #51E1AA;
  --color-base-rgb: 81 225 170;
  --color-base-oklch: oklch(81.8% 0.147 164.1);
  --color-50: #F1FDF9;
  --color-100: #DBFAEE;
  --color-200: #B9F3DD;
  --color-300: #8AE5C2;
  --color-400: #5ED4A7;
  --color-500: #3CB989;
  --color-600: #358D6B;
  --color-700: #2B644E;
  --color-800: #1F4234;
  --color-900: #152821;
  --color-on-base: #141310;
}