#12E28F 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 #12E28F works with other colors. Named schemes with #12E28F 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 #12E28F 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 #12E28F at work across the surfaces designers actually ship.
:root {
--color-base: #12E28F;
--color-base-rgb: 18 226 143;
--color-base-oklch: oklch(80.5% 0.187 157.8);
--color-50: #F0FEF9;
--color-100: #D8FDEE;
--color-200: #B4F9DD;
--color-300: #81EEC3;
--color-400: #53DFA7;
--color-500: #30C589;
--color-600: #2C966B;
--color-700: #256A4E;
--color-800: #1C4535;
--color-900: #132A21;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
medium-spring-green: {
50: '#F0FEF9',
100: '#D8FDEE',
200: '#B4F9DD',
300: '#81EEC3',
400: '#53DFA7',
500: '#30C589',
600: '#2C966B',
700: '#256A4E',
800: '#1C4535',
900: '#132A21',
},
}
$base: #12E28F; $base-ink: #141310; $base-50: #F0FEF9; $base-100: #D8FDEE; $base-200: #B4F9DD; $base-300: #81EEC3; $base-400: #53DFA7; $base-500: #30C589; $base-600: #2C966B; $base-700: #256A4E; $base-800: #1C4535; $base-900: #132A21; $base-hover: #0FB573; $base-subtle: #BEF1DC;
{
"color": {
"base": {
"value": "#12E28F",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F0FEF9",
"type": "color"
},
"100": {
"value": "#D8FDEE",
"type": "color"
},
"200": {
"value": "#B4F9DD",
"type": "color"
},
"300": {
"value": "#81EEC3",
"type": "color"
},
"400": {
"value": "#53DFA7",
"type": "color"
},
"500": {
"value": "#30C589",
"type": "color"
},
"600": {
"value": "#2C966B",
"type": "color"
},
"700": {
"value": "#256A4E",
"type": "color"
},
"800": {
"value": "#1C4535",
"type": "color"
},
"900": {
"value": "#132A21",
"type": "color"
}
}
}
}