#37BB29 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 #37BB29 works with other colors. Named schemes with #37BB29 in its natural role, and a note on why the supporting colors balance it.
Kelly 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 Kelly Green.
Kelly 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.
Kelly Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
Kelly 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 Kelly Green carrying the quiet middle.
Kelly Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
How #37BB29 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 #37BB29 at work across the surfaces designers actually ship.
:root {
--color-base: #37BB29;
--color-base-rgb: 55 187 41;
--color-base-oklch: oklch(69.5% 0.212 141.8);
--color-50: #F3FDF2;
--color-100: #E0F8DD;
--color-200: #C1F0BC;
--color-300: #97E18E;
--color-400: #6FCE64;
--color-500: #4DB342;
--color-600: #418939;
--color-700: #33612E;
--color-800: #244021;
--color-900: #182716;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
kelly-green: {
50: '#F3FDF2',
100: '#E0F8DD',
200: '#C1F0BC',
300: '#97E18E',
400: '#6FCE64',
500: '#4DB342',
600: '#418939',
700: '#33612E',
800: '#244021',
900: '#182716',
},
}
$base: #37BB29; $base-ink: #141310; $base-50: #F3FDF2; $base-100: #E0F8DD; $base-200: #C1F0BC; $base-300: #97E18E; $base-400: #6FCE64; $base-500: #4DB342; $base-600: #418939; $base-700: #33612E; $base-800: #244021; $base-900: #182716; $base-hover: #2D9721; $base-subtle: #C5E9C0;
{
"color": {
"base": {
"value": "#37BB29",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F3FDF2",
"type": "color"
},
"100": {
"value": "#E0F8DD",
"type": "color"
},
"200": {
"value": "#C1F0BC",
"type": "color"
},
"300": {
"value": "#97E18E",
"type": "color"
},
"400": {
"value": "#6FCE64",
"type": "color"
},
"500": {
"value": "#4DB342",
"type": "color"
},
"600": {
"value": "#418939",
"type": "color"
},
"700": {
"value": "#33612E",
"type": "color"
},
"800": {
"value": "#244021",
"type": "color"
},
"900": {
"value": "#182716",
"type": "color"
}
}
}
}