#166309 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 #166309 works with other colors. Named schemes with #166309 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 #166309 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 #166309 at work across the surfaces designers actually ship.
:root {
--color-base: #166309;
--color-base-rgb: 22 99 9;
--color-base-oklch: oklch(43.7% 0.139 141.4);
--color-50: #F2FEF0;
--color-100: #DEFDD9;
--color-200: #BFF8B4;
--color-300: #92ED82;
--color-400: #69DE54;
--color-500: #47C331;
--color-600: #3D952D;
--color-700: #306926;
--color-800: #22441C;
--color-900: #172A13;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
dark-green: {
50: '#F2FEF0',
100: '#DEFDD9',
200: '#BFF8B4',
300: '#92ED82',
400: '#69DE54',
500: '#47C331',
600: '#3D952D',
700: '#306926',
800: '#22441C',
900: '#172A13',
},
}
$base: #166309; $base-ink: #FFFFFF; $base-50: #F2FEF0; $base-100: #DEFDD9; $base-200: #BFF8B4; $base-300: #92ED82; $base-400: #69DE54; $base-500: #47C331; $base-600: #3D952D; $base-700: #306926; $base-800: #22441C; $base-900: #172A13; $base-hover: #124E07; $base-subtle: #A8E99C;
{
"color": {
"base": {
"value": "#166309",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F2FEF0",
"type": "color"
},
"100": {
"value": "#DEFDD9",
"type": "color"
},
"200": {
"value": "#BFF8B4",
"type": "color"
},
"300": {
"value": "#92ED82",
"type": "color"
},
"400": {
"value": "#69DE54",
"type": "color"
},
"500": {
"value": "#47C331",
"type": "color"
},
"600": {
"value": "#3D952D",
"type": "color"
},
"700": {
"value": "#306926",
"type": "color"
},
"800": {
"value": "#22441C",
"type": "color"
},
"900": {
"value": "#172A13",
"type": "color"
}
}
}
}