#669751 is a mid-toned, temperate green. On the Color Lab it reads organic and grounded, with a faded, vintage edge. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #669751 works with other colors. Named schemes with #669751 in its natural role, and a note on why the supporting colors balance it.
Russian Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
Russian Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Russian Green 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 Russian Green as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.
Russian 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 Russian Green carrying the quiet middle.
How #669751 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 #669751 at work across the surfaces designers actually ship.
:root {
--color-base: #669751;
--color-base-rgb: 102 151 81;
--color-base-oklch: oklch(62.4% 0.113 136.9);
--color-50: #F6FAF5;
--color-100: #E8F1E4;
--color-200: #D1E2CA;
--color-300: #B0CBA4;
--color-400: #8FB280;
--color-500: #709560;
--color-600: #59744E;
--color-700: #43543B;
--color-800: #2E3829;
--color-900: #1D231B;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
russian-green: {
50: '#F6FAF5',
100: '#E8F1E4',
200: '#D1E2CA',
300: '#B0CBA4',
400: '#8FB280',
500: '#709560',
600: '#59744E',
700: '#43543B',
800: '#2E3829',
900: '#1D231B',
},
}
$base: #669751; $base-ink: #141310; $base-50: #F6FAF5; $base-100: #E8F1E4; $base-200: #D1E2CA; $base-300: #B0CBA4; $base-400: #8FB280; $base-500: #709560; $base-600: #59744E; $base-700: #43543B; $base-800: #2E3829; $base-900: #1D231B; $base-hover: #517740; $base-subtle: #D1DFCB;
{
"color": {
"base": {
"value": "#669751",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F6FAF5",
"type": "color"
},
"100": {
"value": "#E8F1E4",
"type": "color"
},
"200": {
"value": "#D1E2CA",
"type": "color"
},
"300": {
"value": "#B0CBA4",
"type": "color"
},
"400": {
"value": "#8FB280",
"type": "color"
},
"500": {
"value": "#709560",
"type": "color"
},
"600": {
"value": "#59744E",
"type": "color"
},
"700": {
"value": "#43543B",
"type": "color"
},
"800": {
"value": "#2E3829",
"type": "color"
},
"900": {
"value": "#1D231B",
"type": "color"
}
}
}
}