#21C141 is a mid-toned, temperate teal-green. On the Color Lab it reads bold and ownable. It sits well as a supporting tone.
Not just a swatch — here's how #21C141 works with other colors. Named schemes with #21C141 in its natural role, and a note on why the supporting colors balance it.
Kelly 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 Kelly Green.
Kelly 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.
Kelly Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
Kelly 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 Kelly Green carrying the quiet middle.
Kelly Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
How #21C141 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 #21C141 at work across the surfaces designers actually ship.
:root {
--color-base: #21C141;
--color-base-rgb: 33 193 65;
--color-base-oklch: oklch(70.8% 0.210 145.4);
--color-50: #F1FDF4;
--color-100: #DBFAE1;
--color-200: #B9F3C5;
--color-300: #8AE59C;
--color-400: #5ED476;
--color-500: #3CB955;
--color-600: #358D46;
--color-700: #2B6436;
--color-800: #1F4226;
--color-900: #152819;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
kelly-green: {
50: '#F1FDF4',
100: '#DBFAE1',
200: '#B9F3C5',
300: '#8AE59C',
400: '#5ED476',
500: '#3CB955',
600: '#358D46',
700: '#2B6436',
800: '#1F4226',
900: '#152819',
},
}
$base: #21C141; $base-ink: #141310; $base-50: #F1FDF4; $base-100: #DBFAE1; $base-200: #B9F3C5; $base-300: #8AE59C; $base-400: #5ED476; $base-500: #3CB955; $base-600: #358D46; $base-700: #2B6436; $base-800: #1F4226; $base-900: #152819; $base-hover: #1A9934; $base-subtle: #BDEBC6;
{
"color": {
"base": {
"value": "#21C141",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1FDF4",
"type": "color"
},
"100": {
"value": "#DBFAE1",
"type": "color"
},
"200": {
"value": "#B9F3C5",
"type": "color"
},
"300": {
"value": "#8AE59C",
"type": "color"
},
"400": {
"value": "#5ED476",
"type": "color"
},
"500": {
"value": "#3CB955",
"type": "color"
},
"600": {
"value": "#358D46",
"type": "color"
},
"700": {
"value": "#2B6436",
"type": "color"
},
"800": {
"value": "#1F4226",
"type": "color"
},
"900": {
"value": "#152819",
"type": "color"
}
}
}
}