#3FFBB9 is a mid-toned, cool teal-green. 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 #3FFBB9 works with other colors. Named schemes with #3FFBB9 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 leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
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.
How #3FFBB9 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 #3FFBB9 at work across the surfaces designers actually ship.
:root {
--color-base: #3FFBB9;
--color-base-rgb: 63 251 185;
--color-base-oklch: oklch(88.1% 0.173 164.0);
--color-50: #F0FEF9;
--color-100: #D8FDF0;
--color-200: #B1FCE1;
--color-300: #7AF6CA;
--color-400: #4AE8B1;
--color-500: #26CF94;
--color-600: #259D73;
--color-700: #216E53;
--color-800: #194837;
--color-900: #122C22;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
medium-spring-green: {
50: '#F0FEF9',
100: '#D8FDF0',
200: '#B1FCE1',
300: '#7AF6CA',
400: '#4AE8B1',
500: '#26CF94',
600: '#259D73',
700: '#216E53',
800: '#194837',
900: '#122C22',
},
}
$base: #3FFBB9; $base-ink: #141310; $base-50: #F0FEF9; $base-100: #D8FDF0; $base-200: #B1FCE1; $base-300: #7AF6CA; $base-400: #4AE8B1; $base-500: #26CF94; $base-600: #259D73; $base-700: #216E53; $base-800: #194837; $base-900: #122C22; $base-hover: #05F8A3; $base-subtle: #CDF7E8;
{
"color": {
"base": {
"value": "#3FFBB9",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F0FEF9",
"type": "color"
},
"100": {
"value": "#D8FDF0",
"type": "color"
},
"200": {
"value": "#B1FCE1",
"type": "color"
},
"300": {
"value": "#7AF6CA",
"type": "color"
},
"400": {
"value": "#4AE8B1",
"type": "color"
},
"500": {
"value": "#26CF94",
"type": "color"
},
"600": {
"value": "#259D73",
"type": "color"
},
"700": {
"value": "#216E53",
"type": "color"
},
"800": {
"value": "#194837",
"type": "color"
},
"900": {
"value": "#122C22",
"type": "color"
}
}
}
}