#91C3BA is a soft, cool cyan. On the Color Lab it reads restrained and easy to live with. It holds up as a large surface and is too pale to lead as a primary accent.
Not just a swatch — here's how #91C3BA works with other colors. Named schemes with #91C3BA in its natural role, and a note on why the supporting colors balance it.
Ash Gray keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Ash Gray 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.
Ash Gray opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Ash Gray 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 Ash Gray carrying the quiet middle.
Ash Gray is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Ash Gray.
How #91C3BA 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 #91C3BA at work across the surfaces designers actually ship.
:root {
--color-base: #91C3BA;
--color-base-rgb: 145 195 186;
--color-base-oklch: oklch(77.9% 0.054 182.6);
--color-50: #F5FAF9;
--color-100: #E4F1EF;
--color-200: #CAE2DE;
--color-300: #A5CAC3;
--color-400: #81B1A8;
--color-500: #61948B;
--color-600: #4F736C;
--color-700: #3C534F;
--color-800: #293735;
--color-900: #1B2321;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
ash-gray: {
50: '#F5FAF9',
100: '#E4F1EF',
200: '#CAE2DE',
300: '#A5CAC3',
400: '#81B1A8',
500: '#61948B',
600: '#4F736C',
700: '#3C534F',
800: '#293735',
900: '#1B2321',
},
}
$base: #91C3BA; $base-ink: #141310; $base-50: #F5FAF9; $base-100: #E4F1EF; $base-200: #CAE2DE; $base-300: #A5CAC3; $base-400: #81B1A8; $base-500: #61948B; $base-600: #4F736C; $base-700: #3C534F; $base-800: #293735; $base-900: #1B2321; $base-hover: #66AB9E; $base-subtle: #E0EBE9;
{
"color": {
"base": {
"value": "#91C3BA",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F5FAF9",
"type": "color"
},
"100": {
"value": "#E4F1EF",
"type": "color"
},
"200": {
"value": "#CAE2DE",
"type": "color"
},
"300": {
"value": "#A5CAC3",
"type": "color"
},
"400": {
"value": "#81B1A8",
"type": "color"
},
"500": {
"value": "#61948B",
"type": "color"
},
"600": {
"value": "#4F736C",
"type": "color"
},
"700": {
"value": "#3C534F",
"type": "color"
},
"800": {
"value": "#293735",
"type": "color"
},
"900": {
"value": "#1B2321",
"type": "color"
}
}
}
}