#3ECBBD is a mid-toned, cool cyan. It sits well as a supporting tone.
Not just a swatch — here's how #3ECBBD works with other colors. Named schemes with #3ECBBD in its natural role, and a note on why the supporting colors balance it.
Robin Egg Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Robin Egg Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Robin Egg 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 Robin Egg Blue carrying the quiet middle.
Robin Egg 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 Robin Egg Blue.
Robin Egg 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 #3ECBBD 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 #3ECBBD at work across the surfaces designers actually ship.
:root {
--color-base: #3ECBBD;
--color-base-rgb: 62 203 189;
--color-base-oklch: oklch(76.5% 0.119 185.4);
--color-50: #F2FCFB;
--color-100: #DEF7F5;
--color-200: #BFEEE9;
--color-300: #92DDD6;
--color-400: #69C9BF;
--color-500: #47ADA3;
--color-600: #3D857E;
--color-700: #305F5A;
--color-800: #233E3C;
--color-900: #172625;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
robin-egg-blue: {
50: '#F2FCFB',
100: '#DEF7F5',
200: '#BFEEE9',
300: '#92DDD6',
400: '#69C9BF',
500: '#47ADA3',
600: '#3D857E',
700: '#305F5A',
800: '#233E3C',
900: '#172625',
},
}
$base: #3ECBBD; $base-ink: #141310; $base-50: #F2FCFB; $base-100: #DEF7F5; $base-200: #BFEEE9; $base-300: #92DDD6; $base-400: #69C9BF; $base-500: #47ADA3; $base-600: #3D857E; $base-700: #305F5A; $base-800: #233E3C; $base-900: #172625; $base-hover: #2DA89B; $base-subtle: #CAEAE7;
{
"color": {
"base": {
"value": "#3ECBBD",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F2FCFB",
"type": "color"
},
"100": {
"value": "#DEF7F5",
"type": "color"
},
"200": {
"value": "#BFEEE9",
"type": "color"
},
"300": {
"value": "#92DDD6",
"type": "color"
},
"400": {
"value": "#69C9BF",
"type": "color"
},
"500": {
"value": "#47ADA3",
"type": "color"
},
"600": {
"value": "#3D857E",
"type": "color"
},
"700": {
"value": "#305F5A",
"type": "color"
},
"800": {
"value": "#233E3C",
"type": "color"
},
"900": {
"value": "#172625",
"type": "color"
}
}
}
}