#4BB5BC is a mid-toned, 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 #4BB5BC works with other colors. Named schemes with #4BB5BC in its natural role, and a note on why the supporting colors balance it.
Verdigris opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Verdigris keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Verdigris is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Verdigris.
Verdigris 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 Verdigris carrying the quiet middle.
Verdigris 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 #4BB5BC 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 #4BB5BC at work across the surfaces designers actually ship.
:root {
--color-base: #4BB5BC;
--color-base-rgb: 75 181 188;
--color-base-oklch: oklch(71.5% 0.097 201.3);
--color-50: #F3FBFB;
--color-100: #E1F3F5;
--color-200: #C4E6E9;
--color-300: #9AD1D5;
--color-400: #73BABF;
--color-500: #529DA3;
--color-600: #447A7E;
--color-700: #35575A;
--color-800: #253A3C;
--color-900: #182425;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
verdigris: {
50: '#F3FBFB',
100: '#E1F3F5',
200: '#C4E6E9',
300: '#9AD1D5',
400: '#73BABF',
500: '#529DA3',
600: '#447A7E',
700: '#35575A',
800: '#253A3C',
900: '#182425',
},
}
$base: #4BB5BC; $base-ink: #141310; $base-50: #F3FBFB; $base-100: #E1F3F5; $base-200: #C4E6E9; $base-300: #9AD1D5; $base-400: #73BABF; $base-500: #529DA3; $base-600: #447A7E; $base-700: #35575A; $base-800: #253A3C; $base-900: #182425; $base-hover: #39949B; $base-subtle: #CDE5E7;
{
"color": {
"base": {
"value": "#4BB5BC",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F3FBFB",
"type": "color"
},
"100": {
"value": "#E1F3F5",
"type": "color"
},
"200": {
"value": "#C4E6E9",
"type": "color"
},
"300": {
"value": "#9AD1D5",
"type": "color"
},
"400": {
"value": "#73BABF",
"type": "color"
},
"500": {
"value": "#529DA3",
"type": "color"
},
"600": {
"value": "#447A7E",
"type": "color"
},
"700": {
"value": "#35575A",
"type": "color"
},
"800": {
"value": "#253A3C",
"type": "color"
},
"900": {
"value": "#182425",
"type": "color"
}
}
}
}