#40F2DD is a soft, cool cyan. It is too pale to lead as a primary accent and sits well as a supporting tone.
Not just a swatch — here's how #40F2DD works with other colors. Named schemes with #40F2DD in its natural role, and a note on why the supporting colors balance it.
Cyan opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Cyan keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Cyan 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 Cyan carrying the quiet middle.
Cyan is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Cyan.
Cyan 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 #40F2DD 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 #40F2DD at work across the surfaces designers actually ship.
:root {
--color-base: #40F2DD;
--color-base-rgb: 64 242 221;
--color-base-oklch: oklch(86.9% 0.142 183.1);
--color-50: #F0FEFD;
--color-100: #D8FDF9;
--color-200: #B3FAF1;
--color-300: #7FF0E3;
--color-400: #51E1D0;
--color-500: #2EC7B5;
--color-600: #2B978A;
--color-700: #246B62;
--color-800: #1C4540;
--color-900: #132A28;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
cyan: {
50: '#F0FEFD',
100: '#D8FDF9',
200: '#B3FAF1',
300: '#7FF0E3',
400: '#51E1D0',
500: '#2EC7B5',
600: '#2B978A',
700: '#246B62',
800: '#1C4540',
900: '#132A28',
},
}
$base: #40F2DD; $base-ink: #141310; $base-50: #F0FEFD; $base-100: #D8FDF9; $base-200: #B3FAF1; $base-300: #7FF0E3; $base-400: #51E1D0; $base-500: #2EC7B5; $base-600: #2B978A; $base-700: #246B62; $base-800: #1C4540; $base-900: #132A28; $base-hover: #10E5CC; $base-subtle: #CCF5F0;
{
"color": {
"base": {
"value": "#40F2DD",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F0FEFD",
"type": "color"
},
"100": {
"value": "#D8FDF9",
"type": "color"
},
"200": {
"value": "#B3FAF1",
"type": "color"
},
"300": {
"value": "#7FF0E3",
"type": "color"
},
"400": {
"value": "#51E1D0",
"type": "color"
},
"500": {
"value": "#2EC7B5",
"type": "color"
},
"600": {
"value": "#2B978A",
"type": "color"
},
"700": {
"value": "#246B62",
"type": "color"
},
"800": {
"value": "#1C4540",
"type": "color"
},
"900": {
"value": "#132A28",
"type": "color"
}
}
}
}