#21D2BD is a mid-toned, cool cyan. It sits well as a supporting tone.
Not just a swatch — here's how #21D2BD works with other colors. Named schemes with #21D2BD in its natural role, and a note on why the supporting colors balance it.
Medium Turquoise opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Medium Turquoise keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Medium Turquoise 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 Medium Turquoise carrying the quiet middle.
Medium Turquoise is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Medium Turquoise.
Medium Turquoise 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 #21D2BD 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 #21D2BD at work across the surfaces designers actually ship.
:root {
--color-base: #21D2BD;
--color-base-rgb: 33 210 189;
--color-base-oklch: oklch(77.7% 0.134 182.0);
--color-50: #F1FDFC;
--color-100: #DBFAF7;
--color-200: #B9F4ED;
--color-300: #88E7DC;
--color-400: #5DD5C7;
--color-500: #3ABBAC;
--color-600: #338E84;
--color-700: #2A655E;
--color-800: #1F423E;
--color-900: #152826;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
medium-turquoise: {
50: '#F1FDFC',
100: '#DBFAF7',
200: '#B9F4ED',
300: '#88E7DC',
400: '#5DD5C7',
500: '#3ABBAC',
600: '#338E84',
700: '#2A655E',
800: '#1F423E',
900: '#152826',
},
}
$base: #21D2BD; $base-ink: #141310; $base-50: #F1FDFC; $base-100: #DBFAF7; $base-200: #B9F4ED; $base-300: #88E7DC; $base-400: #5DD5C7; $base-500: #3ABBAC; $base-600: #338E84; $base-700: #2A655E; $base-800: #1F423E; $base-900: #152826; $base-hover: #1AA999; $base-subtle: #C1EDE8;
{
"color": {
"base": {
"value": "#21D2BD",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1FDFC",
"type": "color"
},
"100": {
"value": "#DBFAF7",
"type": "color"
},
"200": {
"value": "#B9F4ED",
"type": "color"
},
"300": {
"value": "#88E7DC",
"type": "color"
},
"400": {
"value": "#5DD5C7",
"type": "color"
},
"500": {
"value": "#3ABBAC",
"type": "color"
},
"600": {
"value": "#338E84",
"type": "color"
},
"700": {
"value": "#2A655E",
"type": "color"
},
"800": {
"value": "#1F423E",
"type": "color"
},
"900": {
"value": "#152826",
"type": "color"
}
}
}
}