#4ECCD7 is a soft, cool cyan-blue. On the Color Lab it reads clean and engineered. It sits well as a supporting tone.
Not just a swatch — here's how #4ECCD7 works with other colors. Named schemes with #4ECCD7 in its natural role, and a note on why the supporting colors balance it.
Lagoon Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Lagoon Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Lagoon Blue is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Lagoon Blue.
Lagoon Blue 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 Lagoon Blue carrying the quiet middle.
Lagoon Blue 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.
How #4ECCD7 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.
Not a swatch to memorise — a color to build with. Here is #4ECCD7 at work across the surfaces designers actually ship.
:root {
--color-base: #4ECCD7;
--color-base-rgb: 78 204 215;
--color-base-oklch: oklch(78.0% 0.110 203.3);
--color-50: #F2FCFD;
--color-100: #DDF6F8;
--color-200: #BDECF0;
--color-300: #8FD9E0;
--color-400: #65C4CD;
--color-500: #43A9B2;
--color-600: #3A8288;
--color-700: #2E5D61;
--color-800: #213D40;
--color-900: #162627;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
lagoon-blue: {
50: '#F2FCFD',
100: '#DDF6F8',
200: '#BDECF0',
300: '#8FD9E0',
400: '#65C4CD',
500: '#43A9B2',
600: '#3A8288',
700: '#2E5D61',
800: '#213D40',
900: '#162627',
},
}
$base: #4ECCD7; $base-ink: #141310; $base-50: #F2FCFD; $base-100: #DDF6F8; $base-200: #BDECF0; $base-300: #8FD9E0; $base-400: #65C4CD; $base-500: #43A9B2; $base-600: #3A8288; $base-700: #2E5D61; $base-800: #213D40; $base-900: #162627; $base-hover: #2BB1BE; $base-subtle: #CEEBEE;
{
"color": {
"base": {
"value": "#4ECCD7",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F2FCFD",
"type": "color"
},
"100": {
"value": "#DDF6F8",
"type": "color"
},
"200": {
"value": "#BDECF0",
"type": "color"
},
"300": {
"value": "#8FD9E0",
"type": "color"
},
"400": {
"value": "#65C4CD",
"type": "color"
},
"500": {
"value": "#43A9B2",
"type": "color"
},
"600": {
"value": "#3A8288",
"type": "color"
},
"700": {
"value": "#2E5D61",
"type": "color"
},
"800": {
"value": "#213D40",
"type": "color"
},
"900": {
"value": "#162627",
"type": "color"
}
}
}
}