#3DF9CA is a mid-toned, cool teal. On the Color Lab it reads bold and ownable. It is too pale to lead as a primary accent and sits well as a supporting tone.
Not just a swatch — here's how #3DF9CA works with other colors. Named schemes with #3DF9CA in its natural role, and a note on why the supporting colors balance it.
Aquamarine opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Aquamarine keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Aquamarine 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 Aquamarine carrying the quiet middle.
Aquamarine is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Aquamarine.
Aquamarine 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 #3DF9CA 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 #3DF9CA at work across the surfaces designers actually ship.
:root {
--color-base: #3DF9CA;
--color-base-rgb: 61 249 202;
--color-base-oklch: oklch(88.0% 0.160 171.2);
--color-50: #F0FEFB;
--color-100: #D8FDF4;
--color-200: #B1FCE9;
--color-300: #7BF4D6;
--color-400: #4BE7C0;
--color-500: #28CDA4;
--color-600: #269B7E;
--color-700: #216D5A;
--color-800: #1A473C;
--color-900: #122B25;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
aquamarine: {
50: '#F0FEFB',
100: '#D8FDF4',
200: '#B1FCE9',
300: '#7BF4D6',
400: '#4BE7C0',
500: '#28CDA4',
600: '#269B7E',
700: '#216D5A',
800: '#1A473C',
900: '#122B25',
},
}
$base: #3DF9CA; $base-ink: #141310; $base-50: #F0FEFB; $base-100: #D8FDF4; $base-200: #B1FCE9; $base-300: #7BF4D6; $base-400: #4BE7C0; $base-500: #28CDA4; $base-600: #269B7E; $base-700: #216D5A; $base-800: #1A473C; $base-900: #122B25; $base-hover: #07F1B7; $base-subtle: #CCF6EC;
{
"color": {
"base": {
"value": "#3DF9CA",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F0FEFB",
"type": "color"
},
"100": {
"value": "#D8FDF4",
"type": "color"
},
"200": {
"value": "#B1FCE9",
"type": "color"
},
"300": {
"value": "#7BF4D6",
"type": "color"
},
"400": {
"value": "#4BE7C0",
"type": "color"
},
"500": {
"value": "#28CDA4",
"type": "color"
},
"600": {
"value": "#269B7E",
"type": "color"
},
"700": {
"value": "#216D5A",
"type": "color"
},
"800": {
"value": "#1A473C",
"type": "color"
},
"900": {
"value": "#122B25",
"type": "color"
}
}
}
}