#42E452 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 #42E452 works with other colors. Named schemes with #42E452 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 #42E452 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 #42E452 at work across the surfaces designers actually ship.
:root {
--color-base: #42E452;
--color-base-rgb: 66 228 82;
--color-base-oklch: oklch(80.7% 0.230 144.4);
--color-50: #F1FEF2;
--color-100: #DAFBDE;
--color-200: #B8F5BE;
--color-300: #87E891;
--color-400: #5BD767;
--color-500: #38BC46;
--color-600: #32903C;
--color-700: #29662F;
--color-800: #1E4222;
--color-900: #142916;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
malachite: {
50: '#F1FEF2',
100: '#DAFBDE',
200: '#B8F5BE',
300: '#87E891',
400: '#5BD767',
500: '#38BC46',
600: '#32903C',
700: '#29662F',
800: '#1E4222',
900: '#142916',
},
}
$base: #42E452; $base-ink: #141310; $base-50: #F1FEF2; $base-100: #DAFBDE; $base-200: #B8F5BE; $base-300: #87E891; $base-400: #5BD767; $base-500: #38BC46; $base-600: #32903C; $base-700: #29662F; $base-800: #1E4222; $base-900: #142916; $base-hover: #1ECF2F; $base-subtle: #CDF1D0;
{
"color": {
"base": {
"value": "#42E452",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1FEF2",
"type": "color"
},
"100": {
"value": "#DAFBDE",
"type": "color"
},
"200": {
"value": "#B8F5BE",
"type": "color"
},
"300": {
"value": "#87E891",
"type": "color"
},
"400": {
"value": "#5BD767",
"type": "color"
},
"500": {
"value": "#38BC46",
"type": "color"
},
"600": {
"value": "#32903C",
"type": "color"
},
"700": {
"value": "#29662F",
"type": "color"
},
"800": {
"value": "#1E4222",
"type": "color"
},
"900": {
"value": "#142916",
"type": "color"
}
}
}
}