#3FF9BB 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 #3FF9BB works with other colors. Named schemes with #3FF9BB in its natural role, and a note on why the supporting colors balance it.
Medium Spring Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Medium Spring Green keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Medium Spring Green 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 Spring Green carrying the quiet middle.
Medium Spring Green 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 Spring Green.
Medium Spring Green 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 #3FF9BB 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 #3FF9BB at work across the surfaces designers actually ship.
:root {
--color-base: #3FF9BB;
--color-base-rgb: 63 249 187;
--color-base-oklch: oklch(87.7% 0.169 165.3);
--color-50: #F0FEFA;
--color-100: #D8FDF1;
--color-200: #B1FCE3;
--color-300: #7BF4CC;
--color-400: #4BE7B3;
--color-500: #28CD96;
--color-600: #269B74;
--color-700: #216D54;
--color-800: #1A4738;
--color-900: #122B23;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
medium-spring-green: {
50: '#F0FEFA',
100: '#D8FDF1',
200: '#B1FCE3',
300: '#7BF4CC',
400: '#4BE7B3',
500: '#28CD96',
600: '#269B74',
700: '#216D54',
800: '#1A4738',
900: '#122B23',
},
}
$base: #3FF9BB; $base-ink: #141310; $base-50: #F0FEFA; $base-100: #D8FDF1; $base-200: #B1FCE3; $base-300: #7BF4CC; $base-400: #4BE7B3; $base-500: #28CD96; $base-600: #269B74; $base-700: #216D54; $base-800: #1A4738; $base-900: #122B23; $base-hover: #07F1A3; $base-subtle: #CCF6E8;
{
"color": {
"base": {
"value": "#3FF9BB",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F0FEFA",
"type": "color"
},
"100": {
"value": "#D8FDF1",
"type": "color"
},
"200": {
"value": "#B1FCE3",
"type": "color"
},
"300": {
"value": "#7BF4CC",
"type": "color"
},
"400": {
"value": "#4BE7B3",
"type": "color"
},
"500": {
"value": "#28CD96",
"type": "color"
},
"600": {
"value": "#269B74",
"type": "color"
},
"700": {
"value": "#216D54",
"type": "color"
},
"800": {
"value": "#1A4738",
"type": "color"
},
"900": {
"value": "#122B23",
"type": "color"
}
}
}
}