#166318 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 #166318 works with other colors. Named schemes with #166318 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 #166318 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 #166318 at work across the surfaces designers actually ship.
:root {
--color-base: #166318;
--color-base-rgb: 22 99 24;
--color-base-oklch: oklch(43.8% 0.131 143.2);
--color-50: #F2FDF2;
--color-100: #DDF8DE;
--color-200: #BCF0BE;
--color-300: #8EE191;
--color-400: #64CE68;
--color-500: #42B346;
--color-600: #39893C;
--color-700: #2E612F;
--color-800: #214022;
--color-900: #162717;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
dark-green: {
50: '#F2FDF2',
100: '#DDF8DE',
200: '#BCF0BE',
300: '#8EE191',
400: '#64CE68',
500: '#42B346',
600: '#39893C',
700: '#2E612F',
800: '#214022',
900: '#162717',
},
}
$base: #166318; $base-ink: #FFFFFF; $base-50: #F2FDF2; $base-100: #DDF8DE; $base-200: #BCF0BE; $base-300: #8EE191; $base-400: #64CE68; $base-500: #42B346; $base-600: #39893C; $base-700: #2E612F; $base-800: #214022; $base-900: #162717; $base-hover: #125014; $base-subtle: #A9E1AA;
{
"color": {
"base": {
"value": "#166318",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F2FDF2",
"type": "color"
},
"100": {
"value": "#DDF8DE",
"type": "color"
},
"200": {
"value": "#BCF0BE",
"type": "color"
},
"300": {
"value": "#8EE191",
"type": "color"
},
"400": {
"value": "#64CE68",
"type": "color"
},
"500": {
"value": "#42B346",
"type": "color"
},
"600": {
"value": "#39893C",
"type": "color"
},
"700": {
"value": "#2E612F",
"type": "color"
},
"800": {
"value": "#214022",
"type": "color"
},
"900": {
"value": "#162717",
"type": "color"
}
}
}
}