#3FCE01 is a mid-toned, temperate green. On the Color Lab it reads clean and engineered, bold and ownable. It is too pale to lead as a primary accent and sits well as a supporting tone.
Not just a swatch — here's how #3FCE01 works with other colors. Named schemes with #3FCE01 in its natural role, and a note on why the supporting colors balance it.
Lime 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 Lime Green.
Lime 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.
Lime Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
Lime 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 Lime Green carrying the quiet middle.
Lime Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
How #3FCE01 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 #3FCE01 at work across the surfaces designers actually ship.
:root {
--color-base: #3FCE01;
--color-base-rgb: 63 206 1;
--color-base-oklch: oklch(74.6% 0.240 140.1);
--color-50: #F5FEF0;
--color-100: #E3FDD8;
--color-200: #C7FCB1;
--color-300: #9EF778;
--color-400: #78EB47;
--color-500: #58D223;
--color-600: #489F23;
--color-700: #376F1F;
--color-800: #274819;
--color-900: #192C11;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
lime-green: {
50: '#F5FEF0',
100: '#E3FDD8',
200: '#C7FCB1',
300: '#9EF778',
400: '#78EB47',
500: '#58D223',
600: '#489F23',
700: '#376F1F',
800: '#274819',
900: '#192C11',
},
}
$base: #3FCE01; $base-ink: #141310; $base-50: #F5FEF0; $base-100: #E3FDD8; $base-200: #C7FCB1; $base-300: #9EF778; $base-400: #78EB47; $base-500: #58D223; $base-600: #489F23; $base-700: #376F1F; $base-800: #274819; $base-900: #192C11; $base-hover: #33A601; $base-subtle: #C4F4B0;
{
"color": {
"base": {
"value": "#3FCE01",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F5FEF0",
"type": "color"
},
"100": {
"value": "#E3FDD8",
"type": "color"
},
"200": {
"value": "#C7FCB1",
"type": "color"
},
"300": {
"value": "#9EF778",
"type": "color"
},
"400": {
"value": "#78EB47",
"type": "color"
},
"500": {
"value": "#58D223",
"type": "color"
},
"600": {
"value": "#489F23",
"type": "color"
},
"700": {
"value": "#376F1F",
"type": "color"
},
"800": {
"value": "#274819",
"type": "color"
},
"900": {
"value": "#192C11",
"type": "color"
}
}
}
}