#21660F is a mid-toned, temperate green. On the Color Lab it reads organic and grounded, quietly premium. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #21660F works with other colors. Named schemes with #21660F in its natural role, and a note on why the supporting colors balance it.
Dark Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
Dark 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.
Dark 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.
Dark Green sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Dark 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 Dark Green carrying the quiet middle.
How #21660F 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 #21660F at work across the surfaces designers actually ship.
:root {
--color-base: #21660F;
--color-base-rgb: 33 102 15;
--color-base-oklch: oklch(44.9% 0.136 140.3);
--color-50: #F4FEF1;
--color-100: #E1FBDB;
--color-200: #C4F4B8;
--color-300: #9BE788;
--color-400: #74D65C;
--color-500: #53BC39;
--color-600: #458F33;
--color-700: #35652A;
--color-800: #26421F;
--color-900: #192915;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
dark-green: {
50: '#F4FEF1',
100: '#E1FBDB',
200: '#C4F4B8',
300: '#9BE788',
400: '#74D65C',
500: '#53BC39',
600: '#458F33',
700: '#35652A',
800: '#26421F',
900: '#192915',
},
}
$base: #21660F; $base-ink: #FFFFFF; $base-50: #F4FEF1; $base-100: #E1FBDB; $base-200: #C4F4B8; $base-300: #9BE788; $base-400: #74D65C; $base-500: #53BC39; $base-600: #458F33; $base-700: #35652A; $base-800: #26421F; $base-900: #192915; $base-hover: #1A520C; $base-subtle: #B0E5A3;
{
"color": {
"base": {
"value": "#21660F",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F4FEF1",
"type": "color"
},
"100": {
"value": "#E1FBDB",
"type": "color"
},
"200": {
"value": "#C4F4B8",
"type": "color"
},
"300": {
"value": "#9BE788",
"type": "color"
},
"400": {
"value": "#74D65C",
"type": "color"
},
"500": {
"value": "#53BC39",
"type": "color"
},
"600": {
"value": "#458F33",
"type": "color"
},
"700": {
"value": "#35652A",
"type": "color"
},
"800": {
"value": "#26421F",
"type": "color"
},
"900": {
"value": "#192915",
"type": "color"
}
}
}
}