#63CB55 is a mid-toned, temperate green. On the Color Lab it reads bold and ownable. It sits well as a supporting tone.
Not just a swatch — here's how #63CB55 works with other colors. Named schemes with #63CB55 in its natural role, and a note on why the supporting colors balance it.
Shamrock leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
Shamrock opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Shamrock 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.
This palette keeps Shamrock as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.
Shamrock 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 carrying the quiet middle.
How #63CB55 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 #63CB55 at work across the surfaces designers actually ship.
:root {
--color-base: #63CB55;
--color-base-rgb: 99 203 85;
--color-base-oklch: oklch(75.4% 0.185 141.4);
--color-50: #F4FCF3;
--color-100: #E2F6DF;
--color-200: #C6ECC1;
--color-300: #9DDA95;
--color-400: #77C56D;
--color-500: #57A94C;
--color-600: #488240;
--color-700: #375D32;
--color-800: #273D24;
--color-900: #192617;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
shamrock: {
50: '#F4FCF3',
100: '#E2F6DF',
200: '#C6ECC1',
300: '#9DDA95',
400: '#77C56D',
500: '#57A94C',
600: '#488240',
700: '#375D32',
800: '#273D24',
900: '#192617',
},
}
$base: #63CB55; $base-ink: #141310; $base-50: #F4FCF3; $base-100: #E2F6DF; $base-200: #C6ECC1; $base-300: #9DDA95; $base-400: #77C56D; $base-500: #57A94C; $base-600: #488240; $base-700: #375D32; $base-800: #273D24; $base-900: #192617; $base-hover: #44AF36; $base-subtle: #D3EBD0;
{
"color": {
"base": {
"value": "#63CB55",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F4FCF3",
"type": "color"
},
"100": {
"value": "#E2F6DF",
"type": "color"
},
"200": {
"value": "#C6ECC1",
"type": "color"
},
"300": {
"value": "#9DDA95",
"type": "color"
},
"400": {
"value": "#77C56D",
"type": "color"
},
"500": {
"value": "#57A94C",
"type": "color"
},
"600": {
"value": "#488240",
"type": "color"
},
"700": {
"value": "#375D32",
"type": "color"
},
"800": {
"value": "#273D24",
"type": "color"
},
"900": {
"value": "#192617",
"type": "color"
}
}
}
}