#3EF39B 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 #3EF39B works with other colors. Named schemes with #3EF39B in its natural role, and a note on why the supporting colors balance it.
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 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 leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
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 sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.
How #3EF39B 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 #3EF39B at work across the surfaces designers actually ship.
:root {
--color-base: #3EF39B;
--color-base-rgb: 62 243 155;
--color-base-oklch: oklch(85.5% 0.189 156.6);
--color-50: #F0FEF8;
--color-100: #D8FDEB;
--color-200: #B2FAD7;
--color-300: #7FF0B9;
--color-400: #50E29B;
--color-500: #2DC87D;
--color-600: #2A9863;
--color-700: #246B49;
--color-800: #1B4631;
--color-900: #132B1F;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
medium-spring-green: {
50: '#F0FEF8',
100: '#D8FDEB',
200: '#B2FAD7',
300: '#7FF0B9',
400: '#50E29B',
500: '#2DC87D',
600: '#2A9863',
700: '#246B49',
800: '#1B4631',
900: '#132B1F',
},
}
$base: #3EF39B; $base-ink: #141310; $base-50: #F0FEF8; $base-100: #D8FDEB; $base-200: #B2FAD7; $base-300: #7FF0B9; $base-400: #50E29B; $base-500: #2DC87D; $base-600: #2A9863; $base-700: #246B49; $base-800: #1B4631; $base-900: #132B1F; $base-hover: #0FE67E; $base-subtle: #CCF5E1;
{
"color": {
"base": {
"value": "#3EF39B",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F0FEF8",
"type": "color"
},
"100": {
"value": "#D8FDEB",
"type": "color"
},
"200": {
"value": "#B2FAD7",
"type": "color"
},
"300": {
"value": "#7FF0B9",
"type": "color"
},
"400": {
"value": "#50E29B",
"type": "color"
},
"500": {
"value": "#2DC87D",
"type": "color"
},
"600": {
"value": "#2A9863",
"type": "color"
},
"700": {
"value": "#246B49",
"type": "color"
},
"800": {
"value": "#1B4631",
"type": "color"
},
"900": {
"value": "#132B1F",
"type": "color"
}
}
}
}