#669C39 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 #669C39 works with other colors. Named schemes with #669C39 in its natural role, and a note on why the supporting colors balance it.
Olive Drab leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
Olive Drab opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Olive Drab 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.
This palette keeps Olive Drab as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.
Olive Drab 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 Olive Drab carrying the quiet middle.
How #669C39 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 #669C39 at work across the surfaces designers actually ship.
:root {
--color-base: #669C39;
--color-base-rgb: 102 156 57;
--color-base-oklch: oklch(63.4% 0.143 133.3);
--color-50: #F7FBF3;
--color-100: #EAF5E1;
--color-200: #D4E9C4;
--color-300: #B5D59A;
--color-400: #95BF73;
--color-500: #76A352;
--color-600: #5E7E44;
--color-700: #465A35;
--color-800: #2F3C25;
--color-900: #1E2518;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
olive-drab: {
50: '#F7FBF3',
100: '#EAF5E1',
200: '#D4E9C4',
300: '#B5D59A',
400: '#95BF73',
500: '#76A352',
600: '#5E7E44',
700: '#465A35',
800: '#2F3C25',
900: '#1E2518',
},
}
$base: #669C39; $base-ink: #141310; $base-50: #F7FBF3; $base-100: #EAF5E1; $base-200: #D4E9C4; $base-300: #B5D59A; $base-400: #95BF73; $base-500: #76A352; $base-600: #5E7E44; $base-700: #465A35; $base-800: #2F3C25; $base-900: #1E2518; $base-hover: #527D2E; $base-subtle: #D1E2C3;
{
"color": {
"base": {
"value": "#669C39",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F7FBF3",
"type": "color"
},
"100": {
"value": "#EAF5E1",
"type": "color"
},
"200": {
"value": "#D4E9C4",
"type": "color"
},
"300": {
"value": "#B5D59A",
"type": "color"
},
"400": {
"value": "#95BF73",
"type": "color"
},
"500": {
"value": "#76A352",
"type": "color"
},
"600": {
"value": "#5E7E44",
"type": "color"
},
"700": {
"value": "#465A35",
"type": "color"
},
"800": {
"value": "#2F3C25",
"type": "color"
},
"900": {
"value": "#1E2518",
"type": "color"
}
}
}
}