#3FA423 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 #3FA423 works with other colors. Named schemes with #3FA423 in its natural role, and a note on why the supporting colors balance it.
Shamrock Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
Shamrock 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 Shamrock Green.
Shamrock 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.
Shamrock 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 Shamrock Green carrying the quiet middle.
Shamrock Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
How #3FA423 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 #3FA423 at work across the surfaces designers actually ship.
:root {
--color-base: #3FA423;
--color-base-rgb: 63 164 35;
--color-base-oklch: oklch(63.5% 0.187 140.0);
--color-50: #F4FDF2;
--color-100: #E3F9DD;
--color-200: #C7F1BC;
--color-300: #A0E28E;
--color-400: #7BCF63;
--color-500: #5AB441;
--color-600: #4A8938;
--color-700: #39622D;
--color-800: #284021;
--color-900: #1A2716;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
shamrock-green: {
50: '#F4FDF2',
100: '#E3F9DD',
200: '#C7F1BC',
300: '#A0E28E',
400: '#7BCF63',
500: '#5AB441',
600: '#4A8938',
700: '#39622D',
800: '#284021',
900: '#1A2716',
},
}
$base: #3FA423; $base-ink: #141310; $base-50: #F4FDF2; $base-100: #E3F9DD; $base-200: #C7F1BC; $base-300: #A0E28E; $base-400: #7BCF63; $base-500: #5AB441; $base-600: #4A8938; $base-700: #39622D; $base-800: #284021; $base-900: #1A2716; $base-hover: #32831C; $base-subtle: #C3E7B9;
{
"color": {
"base": {
"value": "#3FA423",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F4FDF2",
"type": "color"
},
"100": {
"value": "#E3F9DD",
"type": "color"
},
"200": {
"value": "#C7F1BC",
"type": "color"
},
"300": {
"value": "#A0E28E",
"type": "color"
},
"400": {
"value": "#7BCF63",
"type": "color"
},
"500": {
"value": "#5AB441",
"type": "color"
},
"600": {
"value": "#4A8938",
"type": "color"
},
"700": {
"value": "#39622D",
"type": "color"
},
"800": {
"value": "#284021",
"type": "color"
},
"900": {
"value": "#1A2716",
"type": "color"
}
}
}
}