#21BE02 is a mid-toned, temperate green. On the Color Lab it reads clean and engineered, bold and ownable. It sits well as a supporting tone.
Not just a swatch — here's how #21BE02 works with other colors. Named schemes with #21BE02 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 #21BE02 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 #21BE02 at work across the surfaces designers actually ship.
:root {
--color-base: #21BE02;
--color-base-rgb: 33 190 2;
--color-base-oklch: oklch(69.7% 0.232 141.7);
--color-50: #F3FEF0;
--color-100: #DEFDD8;
--color-200: #BDFCB1;
--color-300: #8DF778;
--color-400: #63EA48;
--color-500: #41D124;
--color-600: #389E24;
--color-700: #2D6F20;
--color-800: #214819;
--color-900: #162C11;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
kelly-green: {
50: '#F3FEF0',
100: '#DEFDD8',
200: '#BDFCB1',
300: '#8DF778',
400: '#63EA48',
500: '#41D124',
600: '#389E24',
700: '#2D6F20',
800: '#214819',
900: '#162C11',
},
}
$base: #21BE02; $base-ink: #141310; $base-50: #F3FEF0; $base-100: #DEFDD8; $base-200: #BDFCB1; $base-300: #8DF778; $base-400: #63EA48; $base-500: #41D124; $base-600: #389E24; $base-700: #2D6F20; $base-800: #214819; $base-900: #162C11; $base-hover: #1B9902; $base-subtle: #B8F3AC;
{
"color": {
"base": {
"value": "#21BE02",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F3FEF0",
"type": "color"
},
"100": {
"value": "#DEFDD8",
"type": "color"
},
"200": {
"value": "#BDFCB1",
"type": "color"
},
"300": {
"value": "#8DF778",
"type": "color"
},
"400": {
"value": "#63EA48",
"type": "color"
},
"500": {
"value": "#41D124",
"type": "color"
},
"600": {
"value": "#389E24",
"type": "color"
},
"700": {
"value": "#2D6F20",
"type": "color"
},
"800": {
"value": "#214819",
"type": "color"
},
"900": {
"value": "#162C11",
"type": "color"
}
}
}
}