#3FB586 is a mid-toned, cool teal-green. On the Color Lab it reads organic and grounded. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #3FB586 works with other colors. Named schemes with #3FB586 in its natural role, and a note on why the supporting colors balance it.
Medium Sea Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
Medium Sea Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Medium Sea 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 Medium Sea Green as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.
Medium Sea 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 Sea Green carrying the quiet middle.
How #3FB586 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 #3FB586 at work across the surfaces designers actually ship.
:root {
--color-base: #3FB586;
--color-base-rgb: 63 181 134;
--color-base-oklch: oklch(69.5% 0.127 163.1);
--color-50: #F3FBF8;
--color-100: #E0F5ED;
--color-200: #C3EADA;
--color-300: #99D7BE;
--color-400: #71C1A1;
--color-500: #50A583;
--color-600: #437F67;
--color-700: #345B4B;
--color-800: #253C33;
--color-900: #182520;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
medium-sea-green: {
50: '#F3FBF8',
100: '#E0F5ED',
200: '#C3EADA',
300: '#99D7BE',
400: '#71C1A1',
500: '#50A583',
600: '#437F67',
700: '#345B4B',
800: '#253C33',
900: '#182520',
},
}
$base: #3FB586; $base-ink: #141310; $base-50: #F3FBF8; $base-100: #E0F5ED; $base-200: #C3EADA; $base-300: #99D7BE; $base-400: #71C1A1; $base-500: #50A583; $base-600: #437F67; $base-700: #345B4B; $base-800: #253C33; $base-900: #182520; $base-hover: #33916B; $base-subtle: #C9E6DA;
{
"color": {
"base": {
"value": "#3FB586",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F3FBF8",
"type": "color"
},
"100": {
"value": "#E0F5ED",
"type": "color"
},
"200": {
"value": "#C3EADA",
"type": "color"
},
"300": {
"value": "#99D7BE",
"type": "color"
},
"400": {
"value": "#71C1A1",
"type": "color"
},
"500": {
"value": "#50A583",
"type": "color"
},
"600": {
"value": "#437F67",
"type": "color"
},
"700": {
"value": "#345B4B",
"type": "color"
},
"800": {
"value": "#253C33",
"type": "color"
},
"900": {
"value": "#182520",
"type": "color"
}
}
}
}