#42D431 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 #42D431 works with other colors. Named schemes with #42D431 in its natural role, and a note on why the supporting colors balance it.
Malachite is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Malachite.
Malachite 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.
Malachite leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
Malachite 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 Malachite carrying the quiet middle.
Malachite opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
How #42D431 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 #42D431 at work across the surfaces designers actually ship.
:root {
--color-base: #42D431;
--color-base-rgb: 66 212 49;
--color-base-oklch: oklch(76.4% 0.232 141.7);
--color-50: #F3FDF2;
--color-100: #DFF9DD;
--color-200: #C1F1BC;
--color-300: #96E28E;
--color-400: #6ECF63;
--color-500: #4DB441;
--color-600: #418938;
--color-700: #32622D;
--color-800: #244021;
--color-900: #182716;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
malachite: {
50: '#F3FDF2',
100: '#DFF9DD',
200: '#C1F1BC',
300: '#96E28E',
400: '#6ECF63',
500: '#4DB441',
600: '#418938',
700: '#32622D',
800: '#244021',
900: '#182716',
},
}
$base: #42D431; $base-ink: #141310; $base-50: #F3FDF2; $base-100: #DFF9DD; $base-200: #C1F1BC; $base-300: #96E28E; $base-400: #6ECF63; $base-500: #4DB441; $base-600: #418938; $base-700: #32622D; $base-800: #244021; $base-900: #182716; $base-hover: #32AC24; $base-subtle: #CBECC7;
{
"color": {
"base": {
"value": "#42D431",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F3FDF2",
"type": "color"
},
"100": {
"value": "#DFF9DD",
"type": "color"
},
"200": {
"value": "#C1F1BC",
"type": "color"
},
"300": {
"value": "#96E28E",
"type": "color"
},
"400": {
"value": "#6ECF63",
"type": "color"
},
"500": {
"value": "#4DB441",
"type": "color"
},
"600": {
"value": "#418938",
"type": "color"
},
"700": {
"value": "#32622D",
"type": "color"
},
"800": {
"value": "#244021",
"type": "color"
},
"900": {
"value": "#182716",
"type": "color"
}
}
}
}