#99FF50 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 #99FF50 works with other colors. Named schemes with #99FF50 in its natural role, and a note on why the supporting colors balance it.
Green Yellow is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Green Yellow.
Green Yellow 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.
Green Yellow leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
Green Yellow 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 Green Yellow carrying the quiet middle.
Green Yellow opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
How #99FF50 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 #99FF50 at work across the surfaces designers actually ship.
:root {
--color-base: #99FF50;
--color-base-rgb: 153 255 80;
--color-base-oklch: oklch(90.5% 0.227 134.9);
--color-50: #F6FEF0;
--color-100: #E7FDD8;
--color-200: #D0FCB1;
--color-300: #ADF877;
--color-400: #8BEC46;
--color-500: #6CD222;
--color-600: #579F23;
--color-700: #41701F;
--color-800: #2C4818;
--color-900: #1C2C11;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
green-yellow: {
50: '#F6FEF0',
100: '#E7FDD8',
200: '#D0FCB1',
300: '#ADF877',
400: '#8BEC46',
500: '#6CD222',
600: '#579F23',
700: '#41701F',
800: '#2C4818',
900: '#1C2C11',
},
}
$base: #99FF50; $base-ink: #141310; $base-50: #F6FEF0; $base-100: #E7FDD8; $base-200: #D0FCB1; $base-300: #ADF877; $base-400: #8BEC46; $base-500: #6CD222; $base-600: #579F23; $base-700: #41701F; $base-800: #2C4818; $base-900: #1C2C11; $base-hover: #73FF0E; $base-subtle: #E2F9D1;
{
"color": {
"base": {
"value": "#99FF50",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F6FEF0",
"type": "color"
},
"100": {
"value": "#E7FDD8",
"type": "color"
},
"200": {
"value": "#D0FCB1",
"type": "color"
},
"300": {
"value": "#ADF877",
"type": "color"
},
"400": {
"value": "#8BEC46",
"type": "color"
},
"500": {
"value": "#6CD222",
"type": "color"
},
"600": {
"value": "#579F23",
"type": "color"
},
"700": {
"value": "#41701F",
"type": "color"
},
"800": {
"value": "#2C4818",
"type": "color"
},
"900": {
"value": "#1C2C11",
"type": "color"
}
}
}
}