#15840B is a mid-toned, temperate green. On the Color Lab it reads organic and grounded. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #15840B works with other colors. Named schemes with #15840B in its natural role, and a note on why the supporting colors balance it.
Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
Green plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Green anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.
Green sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
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 Green carrying the quiet middle.
How #15840B 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 #15840B at work across the surfaces designers actually ship.
:root {
--color-base: #15840B;
--color-base-rgb: 21 132 11;
--color-base-oklch: oklch(53.4% 0.175 142.1);
--color-50: #F1FEF0;
--color-100: #DBFDD8;
--color-200: #B9F9B4;
--color-300: #8AEE81;
--color-400: #5EDF53;
--color-500: #3CC530;
--color-600: #35962C;
--color-700: #2B6A25;
--color-800: #1F451C;
--color-900: #152A13;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
green: {
50: '#F1FEF0',
100: '#DBFDD8',
200: '#B9F9B4',
300: '#8AEE81',
400: '#5EDF53',
500: '#3CC530',
600: '#35962C',
700: '#2B6A25',
800: '#1F451C',
900: '#152A13',
},
}
$base: #15840B; $base-ink: #FFFFFF; $base-50: #F1FEF0; $base-100: #DBFDD8; $base-200: #B9F9B4; $base-300: #8AEE81; $base-400: #5EDF53; $base-500: #3CC530; $base-600: #35962C; $base-700: #2B6A25; $base-800: #1F451C; $base-900: #152A13; $base-hover: #116A09; $base-subtle: #AAECA4;
{
"color": {
"base": {
"value": "#15840B",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F1FEF0",
"type": "color"
},
"100": {
"value": "#DBFDD8",
"type": "color"
},
"200": {
"value": "#B9F9B4",
"type": "color"
},
"300": {
"value": "#8AEE81",
"type": "color"
},
"400": {
"value": "#5EDF53",
"type": "color"
},
"500": {
"value": "#3CC530",
"type": "color"
},
"600": {
"value": "#35962C",
"type": "color"
},
"700": {
"value": "#2B6A25",
"type": "color"
},
"800": {
"value": "#1F451C",
"type": "color"
},
"900": {
"value": "#152A13",
"type": "color"
}
}
}
}