#4BC3BF is a mid-toned, cool cyan. On the Color Lab it reads clean and engineered. It sits well as a supporting tone.
Not just a swatch — here's how #4BC3BF works with other colors. Named schemes with #4BC3BF 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 #4BC3BF 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 #4BC3BF at work across the surfaces designers actually ship.
:root {
--color-base: #4BC3BF;
--color-base-rgb: 75 195 191;
--color-base-oklch: oklch(75.0% 0.106 192.0);
--color-50: #F3FCFB;
--color-100: #E0F5F5;
--color-200: #C2EBE9;
--color-300: #97D8D6;
--color-400: #70C2C0;
--color-500: #4EA6A3;
--color-600: #42807E;
--color-700: #335C5A;
--color-800: #243C3C;
--color-900: #182525;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
robin-egg-blue: {
50: '#F3FCFB',
100: '#E0F5F5',
200: '#C2EBE9',
300: '#97D8D6',
400: '#70C2C0',
500: '#4EA6A3',
600: '#42807E',
700: '#335C5A',
800: '#243C3C',
900: '#182525',
},
}
$base: #4BC3BF; $base-ink: #141310; $base-50: #F3FCFB; $base-100: #E0F5F5; $base-200: #C2EBE9; $base-300: #97D8D6; $base-400: #70C2C0; $base-500: #4EA6A3; $base-600: #42807E; $base-700: #335C5A; $base-800: #243C3C; $base-900: #182525; $base-hover: #36A29F; $base-subtle: #CDE9E8;
{
"color": {
"base": {
"value": "#4BC3BF",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F3FCFB",
"type": "color"
},
"100": {
"value": "#E0F5F5",
"type": "color"
},
"200": {
"value": "#C2EBE9",
"type": "color"
},
"300": {
"value": "#97D8D6",
"type": "color"
},
"400": {
"value": "#70C2C0",
"type": "color"
},
"500": {
"value": "#4EA6A3",
"type": "color"
},
"600": {
"value": "#42807E",
"type": "color"
},
"700": {
"value": "#335C5A",
"type": "color"
},
"800": {
"value": "#243C3C",
"type": "color"
},
"900": {
"value": "#182525",
"type": "color"
}
}
}
}