#3BB541 is a mid-toned, temperate green. On the Color Lab it reads 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 #3BB541 works with other colors. Named schemes with #3BB541 in its natural role, and a note on why the supporting colors balance it.
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 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 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 #3BB541 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 #3BB541 at work across the surfaces designers actually ship.
:root {
--color-base: #3BB541;
--color-base-rgb: 59 181 65;
--color-base-oklch: oklch(68.2% 0.189 143.8);
--color-50: #F3FCF4;
--color-100: #E0F6E1;
--color-200: #C1EBC4;
--color-300: #97D99A;
--color-400: #6FC373;
--color-500: #4EA752;
--color-600: #418144;
--color-700: #335C35;
--color-800: #243D25;
--color-900: #182618;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
kelly-green: {
50: '#F3FCF4',
100: '#E0F6E1',
200: '#C1EBC4',
300: '#97D99A',
400: '#6FC373',
500: '#4EA752',
600: '#418144',
700: '#335C35',
800: '#243D25',
900: '#182618',
},
}
$base: #3BB541; $base-ink: #141310; $base-50: #F3FCF4; $base-100: #E0F6E1; $base-200: #C1EBC4; $base-300: #97D99A; $base-400: #6FC373; $base-500: #4EA752; $base-600: #418144; $base-700: #335C35; $base-800: #243D25; $base-900: #182618; $base-hover: #2F9134; $base-subtle: #C7E6C8;
{
"color": {
"base": {
"value": "#3BB541",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F3FCF4",
"type": "color"
},
"100": {
"value": "#E0F6E1",
"type": "color"
},
"200": {
"value": "#C1EBC4",
"type": "color"
},
"300": {
"value": "#97D99A",
"type": "color"
},
"400": {
"value": "#6FC373",
"type": "color"
},
"500": {
"value": "#4EA752",
"type": "color"
},
"600": {
"value": "#418144",
"type": "color"
},
"700": {
"value": "#335C35",
"type": "color"
},
"800": {
"value": "#243D25",
"type": "color"
},
"900": {
"value": "#182618",
"type": "color"
}
}
}
}