#40DB73 is a mid-toned, temperate teal-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 #40DB73 works with other colors. Named schemes with #40DB73 in its natural role, and a note on why the supporting colors balance it.
Shamrock keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
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 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 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.
How #40DB73 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 #40DB73 at work across the surfaces designers actually ship.
:root {
--color-base: #40DB73;
--color-base-rgb: 64 219 115;
--color-base-oklch: oklch(78.8% 0.193 150.0);
--color-50: #F2FDF5;
--color-100: #DCF9E6;
--color-200: #BBF2CD;
--color-300: #8CE3A9;
--color-400: #61D186;
--color-500: #3FB666;
--color-600: #378B53;
--color-700: #2C633E;
--color-800: #20412B;
--color-900: #15281C;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
shamrock: {
50: '#F2FDF5',
100: '#DCF9E6',
200: '#BBF2CD',
300: '#8CE3A9',
400: '#61D186',
500: '#3FB666',
600: '#378B53',
700: '#2C633E',
800: '#20412B',
900: '#15281C',
},
}
$base: #40DB73; $base-ink: #141310; $base-50: #F2FDF5; $base-100: #DCF9E6; $base-200: #BBF2CD; $base-300: #8CE3A9; $base-400: #61D186; $base-500: #3FB666; $base-600: #378B53; $base-700: #2C633E; $base-800: #20412B; $base-900: #15281C; $base-hover: #24BC57; $base-subtle: #CBEED7;
{
"color": {
"base": {
"value": "#40DB73",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F2FDF5",
"type": "color"
},
"100": {
"value": "#DCF9E6",
"type": "color"
},
"200": {
"value": "#BBF2CD",
"type": "color"
},
"300": {
"value": "#8CE3A9",
"type": "color"
},
"400": {
"value": "#61D186",
"type": "color"
},
"500": {
"value": "#3FB666",
"type": "color"
},
"600": {
"value": "#378B53",
"type": "color"
},
"700": {
"value": "#2C633E",
"type": "color"
},
"800": {
"value": "#20412B",
"type": "color"
},
"900": {
"value": "#15281C",
"type": "color"
}
}
}
}