#3FE288 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 #3FE288 works with other colors. Named schemes with #3FE288 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 #3FE288 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 #3FE288 at work across the surfaces designers actually ship.
:root {
--color-base: #3FE288;
--color-base-rgb: 63 226 136;
--color-base-oklch: oklch(80.9% 0.184 154.1);
--color-50: #F1FEF7;
--color-100: #DBFBE9;
--color-200: #B8F4D3;
--color-300: #88E7B3;
--color-400: #5CD693;
--color-500: #39BC74;
--color-600: #338F5C;
--color-700: #2A6544;
--color-800: #1F422F;
--color-900: #15291E;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
medium-spring-green: {
50: '#F1FEF7',
100: '#DBFBE9',
200: '#B8F4D3',
300: '#88E7B3',
400: '#5CD693',
500: '#39BC74',
600: '#338F5C',
700: '#2A6544',
800: '#1F422F',
900: '#15291E',
},
}
$base: #3FE288; $base-ink: #141310; $base-50: #F1FEF7; $base-100: #DBFBE9; $base-200: #B8F4D3; $base-300: #88E7B3; $base-400: #5CD693; $base-500: #39BC74; $base-600: #338F5C; $base-700: #2A6544; $base-800: #1F422F; $base-900: #15291E; $base-hover: #1ECA6C; $base-subtle: #CCF1DC;
{
"color": {
"base": {
"value": "#3FE288",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1FEF7",
"type": "color"
},
"100": {
"value": "#DBFBE9",
"type": "color"
},
"200": {
"value": "#B8F4D3",
"type": "color"
},
"300": {
"value": "#88E7B3",
"type": "color"
},
"400": {
"value": "#5CD693",
"type": "color"
},
"500": {
"value": "#39BC74",
"type": "color"
},
"600": {
"value": "#338F5C",
"type": "color"
},
"700": {
"value": "#2A6544",
"type": "color"
},
"800": {
"value": "#1F422F",
"type": "color"
},
"900": {
"value": "#15291E",
"type": "color"
}
}
}
}