#21C896 is a mid-toned, cool teal. On the Color Lab it reads organic and grounded. It sits well as a supporting tone.
Not just a swatch — here's how #21C896 works with other colors. Named schemes with #21C896 in its natural role, and a note on why the supporting colors balance it.
Emerald Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Emerald Green keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
This palette keeps Emerald Green as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.
Emerald Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
Emerald 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 Emerald Green carrying the quiet middle.
How #21C896 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 #21C896 at work across the surfaces designers actually ship.
:root {
--color-base: #21C896;
--color-base-rgb: 33 200 150;
--color-base-oklch: oklch(74.1% 0.147 166.2);
--color-50: #F1FDFA;
--color-100: #DBFAF1;
--color-200: #B9F3E2;
--color-300: #89E6CA;
--color-400: #5DD5B1;
--color-500: #3BBA94;
--color-600: #348E73;
--color-700: #2A6453;
--color-800: #1F4237;
--color-900: #152822;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
emerald-green: {
50: '#F1FDFA',
100: '#DBFAF1',
200: '#B9F3E2',
300: '#89E6CA',
400: '#5DD5B1',
500: '#3BBA94',
600: '#348E73',
700: '#2A6453',
800: '#1F4237',
900: '#152822',
},
}
$base: #21C896; $base-ink: #141310; $base-50: #F1FDFA; $base-100: #DBFAF1; $base-200: #B9F3E2; $base-300: #89E6CA; $base-400: #5DD5B1; $base-500: #3BBA94; $base-600: #348E73; $base-700: #2A6453; $base-800: #1F4237; $base-900: #152822; $base-hover: #1AA179; $base-subtle: #BFECDF;
{
"color": {
"base": {
"value": "#21C896",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1FDFA",
"type": "color"
},
"100": {
"value": "#DBFAF1",
"type": "color"
},
"200": {
"value": "#B9F3E2",
"type": "color"
},
"300": {
"value": "#89E6CA",
"type": "color"
},
"400": {
"value": "#5DD5B1",
"type": "color"
},
"500": {
"value": "#3BBA94",
"type": "color"
},
"600": {
"value": "#348E73",
"type": "color"
},
"700": {
"value": "#2A6453",
"type": "color"
},
"800": {
"value": "#1F4237",
"type": "color"
},
"900": {
"value": "#152822",
"type": "color"
}
}
}
}