#03BF42 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 #03BF42 works with other colors. Named schemes with #03BF42 in its natural role, and a note on why the supporting colors balance it.
Kelly Green keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
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 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 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 #03BF42 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 #03BF42 at work across the surfaces designers actually ship.
:root {
--color-base: #03BF42;
--color-base-rgb: 3 191 66;
--color-base-oklch: oklch(70.1% 0.211 146.4);
--color-50: #F0FEF5;
--color-100: #D8FDE4;
--color-200: #B1FCCA;
--color-300: #79F6A3;
--color-400: #49E97E;
--color-500: #25D05E;
--color-600: #259D4D;
--color-700: #206F3A;
--color-800: #194829;
--color-900: #112C1A;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
kelly-green: {
50: '#F0FEF5',
100: '#D8FDE4',
200: '#B1FCCA',
300: '#79F6A3',
400: '#49E97E',
500: '#25D05E',
600: '#259D4D',
700: '#206F3A',
800: '#194829',
900: '#112C1A',
},
}
$base: #03BF42; $base-ink: #141310; $base-50: #F0FEF5; $base-100: #D8FDE4; $base-200: #B1FCCA; $base-300: #79F6A3; $base-400: #49E97E; $base-500: #25D05E; $base-600: #259D4D; $base-700: #206F3A; $base-800: #194829; $base-900: #112C1A; $base-hover: #029934; $base-subtle: #ADF3C4;
{
"color": {
"base": {
"value": "#03BF42",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F0FEF5",
"type": "color"
},
"100": {
"value": "#D8FDE4",
"type": "color"
},
"200": {
"value": "#B1FCCA",
"type": "color"
},
"300": {
"value": "#79F6A3",
"type": "color"
},
"400": {
"value": "#49E97E",
"type": "color"
},
"500": {
"value": "#25D05E",
"type": "color"
},
"600": {
"value": "#259D4D",
"type": "color"
},
"700": {
"value": "#206F3A",
"type": "color"
},
"800": {
"value": "#194829",
"type": "color"
},
"900": {
"value": "#112C1A",
"type": "color"
}
}
}
}