#3FAC41 is a mid-toned, temperate green. On the Color Lab it reads organic and grounded, bold and ownable. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #3FAC41 works with other colors. Named schemes with #3FAC41 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 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.
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 #3FAC41 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 #3FAC41 at work across the surfaces designers actually ship.
:root {
--color-base: #3FAC41;
--color-base-rgb: 63 172 65;
--color-base-oklch: oklch(65.9% 0.177 143.5);
--color-50: #F3FBF4;
--color-100: #E1F5E1;
--color-200: #C4E9C4;
--color-300: #9AD59B;
--color-400: #73BF74;
--color-500: #52A353;
--color-600: #447E45;
--color-700: #355A35;
--color-800: #253C26;
--color-900: #182519;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
medium-sea-green: {
50: '#F3FBF4',
100: '#E1F5E1',
200: '#C4E9C4',
300: '#9AD59B',
400: '#73BF74',
500: '#52A353',
600: '#447E45',
700: '#355A35',
800: '#253C26',
900: '#182519',
},
}
$base: #3FAC41; $base-ink: #141310; $base-50: #F3FBF4; $base-100: #E1F5E1; $base-200: #C4E9C4; $base-300: #9AD59B; $base-400: #73BF74; $base-500: #52A353; $base-600: #447E45; $base-700: #355A35; $base-800: #253C26; $base-900: #182519; $base-hover: #338934; $base-subtle: #C7E4C8;
{
"color": {
"base": {
"value": "#3FAC41",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F3FBF4",
"type": "color"
},
"100": {
"value": "#E1F5E1",
"type": "color"
},
"200": {
"value": "#C4E9C4",
"type": "color"
},
"300": {
"value": "#9AD59B",
"type": "color"
},
"400": {
"value": "#73BF74",
"type": "color"
},
"500": {
"value": "#52A353",
"type": "color"
},
"600": {
"value": "#447E45",
"type": "color"
},
"700": {
"value": "#355A35",
"type": "color"
},
"800": {
"value": "#253C26",
"type": "color"
},
"900": {
"value": "#182519",
"type": "color"
}
}
}
}