#18BDAA is a mid-toned, cool cyan. It sits well as a supporting tone.
Not just a swatch — here's how #18BDAA works with other colors. Named schemes with #18BDAA in its natural role, and a note on why the supporting colors balance it.
Tiffany Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Tiffany Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Tiffany 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 Tiffany Blue carrying the quiet middle.
Tiffany 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 Tiffany Blue.
Tiffany 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 #18BDAA 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 #18BDAA at work across the surfaces designers actually ship.
:root {
--color-base: #18BDAA;
--color-base-rgb: 24 189 170;
--color-base-oklch: oklch(71.8% 0.125 182.1);
--color-50: #F1FEFC;
--color-100: #DAFBF7;
--color-200: #B7F5EE;
--color-300: #86E9DE;
--color-400: #59D9CA;
--color-500: #37BEAE;
--color-600: #319186;
--color-700: #28665F;
--color-800: #1E433F;
--color-900: #142927;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
tiffany-blue: {
50: '#F1FEFC',
100: '#DAFBF7',
200: '#B7F5EE',
300: '#86E9DE',
400: '#59D9CA',
500: '#37BEAE',
600: '#319186',
700: '#28665F',
800: '#1E433F',
900: '#142927',
},
}
$base: #18BDAA; $base-ink: #141310; $base-50: #F1FEFC; $base-100: #DAFBF7; $base-200: #B7F5EE; $base-300: #86E9DE; $base-400: #59D9CA; $base-500: #37BEAE; $base-600: #319186; $base-700: #28665F; $base-800: #1E433F; $base-900: #142927; $base-hover: #149888; $base-subtle: #B9EDE7;
{
"color": {
"base": {
"value": "#18BDAA",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1FEFC",
"type": "color"
},
"100": {
"value": "#DAFBF7",
"type": "color"
},
"200": {
"value": "#B7F5EE",
"type": "color"
},
"300": {
"value": "#86E9DE",
"type": "color"
},
"400": {
"value": "#59D9CA",
"type": "color"
},
"500": {
"value": "#37BEAE",
"type": "color"
},
"600": {
"value": "#319186",
"type": "color"
},
"700": {
"value": "#28665F",
"type": "color"
},
"800": {
"value": "#1E433F",
"type": "color"
},
"900": {
"value": "#142927",
"type": "color"
}
}
}
}