#91DFCF is a soft, cool cyan. It holds up as a large surface and is too pale to lead as a primary accent.
Not just a swatch — here's how #91DFCF works with other colors. Named schemes with #91DFCF in its natural role, and a note on why the supporting colors balance it.
Seafoam Green keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Seafoam Green sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.
Seafoam Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Seafoam Green 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 Seafoam Green carrying the quiet middle.
Seafoam Green is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Seafoam Green.
How #91DFCF 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 #91DFCF at work across the surfaces designers actually ship.
:root {
--color-base: #91DFCF;
--color-base-rgb: 145 223 207;
--color-base-oklch: oklch(84.8% 0.080 179.9);
--color-50: #F3FCFA;
--color-100: #DFF6F2;
--color-200: #C0EDE4;
--color-300: #94DBCD;
--color-400: #6BC7B4;
--color-500: #4AAB97;
--color-600: #3F8375;
--color-700: #315E55;
--color-800: #233E38;
--color-900: #172623;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
seafoam-green: {
50: '#F3FCFA',
100: '#DFF6F2',
200: '#C0EDE4',
300: '#94DBCD',
400: '#6BC7B4',
500: '#4AAB97',
600: '#3F8375',
700: '#315E55',
800: '#233E38',
900: '#172623',
},
}
$base: #91DFCF; $base-ink: #141310; $base-50: #F3FCFA; $base-100: #DFF6F2; $base-200: #C0EDE4; $base-300: #94DBCD; $base-400: #6BC7B4; $base-500: #4AAB97; $base-600: #3F8375; $base-700: #315E55; $base-800: #233E38; $base-900: #172623; $base-hover: #57CEB7; $base-subtle: #E1F3EF;
{
"color": {
"base": {
"value": "#91DFCF",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F3FCFA",
"type": "color"
},
"100": {
"value": "#DFF6F2",
"type": "color"
},
"200": {
"value": "#C0EDE4",
"type": "color"
},
"300": {
"value": "#94DBCD",
"type": "color"
},
"400": {
"value": "#6BC7B4",
"type": "color"
},
"500": {
"value": "#4AAB97",
"type": "color"
},
"600": {
"value": "#3F8375",
"type": "color"
},
"700": {
"value": "#315E55",
"type": "color"
},
"800": {
"value": "#233E38",
"type": "color"
},
"900": {
"value": "#172623",
"type": "color"
}
}
}
}