#31990B is a mid-toned, temperate green. On the Color Lab it reads bold and ownable. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #31990B works with other colors. Named schemes with #31990B in its natural role, and a note on why the supporting colors balance it.
Forest Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
Forest Green is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Forest Green.
Forest Green sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Forest 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 Forest Green carrying the quiet middle.
Forest Green glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.
How #31990B 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 #31990B at work across the surfaces designers actually ship.
:root {
--color-base: #31990B;
--color-base-rgb: 49 153 11;
--color-base-oklch: oklch(60.0% 0.189 140.0);
--color-50: #F4FEF0;
--color-100: #E2FDD8;
--color-200: #C6FAB3;
--color-300: #9DF07F;
--color-400: #77E151;
--color-500: #57C72E;
--color-600: #48972B;
--color-700: #376B24;
--color-800: #27451C;
--color-900: #192A13;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
forest-green: {
50: '#F4FEF0',
100: '#E2FDD8',
200: '#C6FAB3',
300: '#9DF07F',
400: '#77E151',
500: '#57C72E',
600: '#48972B',
700: '#376B24',
800: '#27451C',
900: '#192A13',
},
}
$base: #31990B; $base-ink: #141310; $base-50: #F4FEF0; $base-100: #E2FDD8; $base-200: #C6FAB3; $base-300: #9DF07F; $base-400: #77E151; $base-500: #57C72E; $base-600: #48972B; $base-700: #376B24; $base-800: #27451C; $base-900: #192A13; $base-hover: #277A08; $base-subtle: #BBEDA9;
{
"color": {
"base": {
"value": "#31990B",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F4FEF0",
"type": "color"
},
"100": {
"value": "#E2FDD8",
"type": "color"
},
"200": {
"value": "#C6FAB3",
"type": "color"
},
"300": {
"value": "#9DF07F",
"type": "color"
},
"400": {
"value": "#77E151",
"type": "color"
},
"500": {
"value": "#57C72E",
"type": "color"
},
"600": {
"value": "#48972B",
"type": "color"
},
"700": {
"value": "#376B24",
"type": "color"
},
"800": {
"value": "#27451C",
"type": "color"
},
"900": {
"value": "#192A13",
"type": "color"
}
}
}
}