#40CC53 is a mid-toned, temperate teal-green. On the Color Lab it reads bold and ownable. It sits well as a supporting tone.
Not just a swatch — here's how #40CC53 works with other colors. Named schemes with #40CC53 in its natural role, and a note on why the supporting colors balance it.
Shamrock is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Shamrock.
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.
Shamrock leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
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.
Shamrock opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
How #40CC53 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 #40CC53 at work across the surfaces designers actually ship.
:root {
--color-base: #40CC53;
--color-base-rgb: 64 204 83;
--color-base-oklch: oklch(74.5% 0.202 145.3);
--color-50: #F2FCF4;
--color-100: #DEF7E1;
--color-200: #BFEEC5;
--color-300: #92DD9C;
--color-400: #69C976;
--color-500: #47AD55;
--color-600: #3D8546;
--color-700: #305F36;
--color-800: #233E26;
--color-900: #172619;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
shamrock: {
50: '#F2FCF4',
100: '#DEF7E1',
200: '#BFEEC5',
300: '#92DD9C',
400: '#69C976',
500: '#47AD55',
600: '#3D8546',
700: '#305F36',
800: '#233E26',
900: '#172619',
},
}
$base: #40CC53; $base-ink: #141310; $base-50: #F2FCF4; $base-100: #DEF7E1; $base-200: #BFEEC5; $base-300: #92DD9C; $base-400: #69C976; $base-500: #47AD55; $base-600: #3D8546; $base-700: #305F36; $base-800: #233E26; $base-900: #172619; $base-hover: #2DAB3E; $base-subtle: #CBEBCF;
{
"color": {
"base": {
"value": "#40CC53",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F2FCF4",
"type": "color"
},
"100": {
"value": "#DEF7E1",
"type": "color"
},
"200": {
"value": "#BFEEC5",
"type": "color"
},
"300": {
"value": "#92DD9C",
"type": "color"
},
"400": {
"value": "#69C976",
"type": "color"
},
"500": {
"value": "#47AD55",
"type": "color"
},
"600": {
"value": "#3D8546",
"type": "color"
},
"700": {
"value": "#305F36",
"type": "color"
},
"800": {
"value": "#233E26",
"type": "color"
},
"900": {
"value": "#172619",
"type": "color"
}
}
}
}