Nearest named color: Medium Turquoise
#4EC9CF
#4EC9CF
Nearest named
Medium Turquoise
Family
Blue
Lightness
77.0%
Chroma
0.108
Hue angle
199.7°
Temperature
Cool
Contrast on white
1.98:1 · Fail
Contrast on black
9.36:1 · AAA
Web-safe
#66CCCC
CSS oklch()
77% 0.11 200

#4EC9CF is a soft, cool cyan-blue. On the Color Lab it reads clean and engineered. It sits well as a supporting tone.

Palettes built on #4EC9CF

Not just a swatch — here's how #4EC9CF works with other colors. Named schemes with #4EC9CF in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Medium 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

Medium Turquoise 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

Medium 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 Medium Turquoise carrying the quiet middle.

Tech Product Signal · 5 colors

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

Modern Café Dominant · 5 colors

Medium Turquoise 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 #4EC9CF 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 22/100
Cool
Reads cool and recessive — calming, technical, good for trust-led UI.
Softness 62/100
High
Middle-weight — neither delicate nor heavy.
Depth 23/100
Low
Airy and open — recedes, leaves the composition light.
Naturalness 12/100
Very low
Reads engineered rather than organic — synthetic, digital.
Vintage feel 38/100
Low
A faint retro warmth without tipping into sepia.
Luxury 31/100
Low
Understated — leans refined without going austere.
Brand distinctiveness 42/100
Moderate
Recognisable but shares space with nearby hues.
UI accent fit 35/100
Low
Workable accent with care around contrast.
Surface fit 45/100
Moderate
Usable as a tinted surface in measured doses.
Print safety 72/100
High
Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #4EC9CF

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 9.4:1. Use
Subtle surface Use #DFF1F2 for cards and hover fills. Tint 80
Avoid beside #4F9ECF — 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 #4EC9CF 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: #4EC9CF;
  --color-base-rgb: 78 201 207;
  --color-base-oklch: oklch(77.0% 0.108 199.7);
  --color-50: #F3FCFC;
  --color-100: #DEF6F7;
  --color-200: #BFEBED;
  --color-300: #93D9DC;
  --color-400: #6AC3C8;
  --color-500: #48A8AD;
  --color-600: #3D8184;
  --color-700: #305C5E;
  --color-800: #233D3E;
  --color-900: #172626;
  --color-on-base: #141310;
}