#91EF5A is a mid-toned, temperate green. On the Color Lab it reads 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 #91EF5A works with other colors. Named schemes with #91EF5A in its natural role, and a note on why the supporting colors balance it.
Light 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 Light Green.
Light 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.
Light Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
Light 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 Light Green carrying the quiet middle.
Light Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
How #91EF5A 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 #91EF5A at work across the surfaces designers actually ship.
:root {
--color-base: #91EF5A;
--color-base-rgb: 145 239 90;
--color-base-oklch: oklch(86.4% 0.204 135.8);
--color-50: #F6FEF0;
--color-100: #E6FCD9;
--color-200: #CDF8B5;
--color-300: #A9ED83;
--color-400: #87DD55;
--color-500: #67C332;
--color-600: #53942E;
--color-700: #3F6926;
--color-800: #2B441D;
--color-900: #1C2A14;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
light-green: {
50: '#F6FEF0',
100: '#E6FCD9',
200: '#CDF8B5',
300: '#A9ED83',
400: '#87DD55',
500: '#67C332',
600: '#53942E',
700: '#3F6926',
800: '#2B441D',
900: '#1C2A14',
},
}
$base: #91EF5A; $base-ink: #141310; $base-50: #F6FEF0; $base-100: #E6FCD9; $base-200: #CDF8B5; $base-300: #A9ED83; $base-400: #87DD55; $base-500: #67C332; $base-600: #53942E; $base-700: #3F6926; $base-800: #2B441D; $base-900: #1C2A14; $base-hover: #6AE920; $base-subtle: #E0F5D4;
{
"color": {
"base": {
"value": "#91EF5A",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F6FEF0",
"type": "color"
},
"100": {
"value": "#E6FCD9",
"type": "color"
},
"200": {
"value": "#CDF8B5",
"type": "color"
},
"300": {
"value": "#A9ED83",
"type": "color"
},
"400": {
"value": "#87DD55",
"type": "color"
},
"500": {
"value": "#67C332",
"type": "color"
},
"600": {
"value": "#53942E",
"type": "color"
},
"700": {
"value": "#3F6926",
"type": "color"
},
"800": {
"value": "#2B441D",
"type": "color"
},
"900": {
"value": "#1C2A14",
"type": "color"
}
}
}
}