#178E1D 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 #178E1D works with other colors. Named schemes with #178E1D 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 plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Forest 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.
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.
How #178E1D 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 #178E1D at work across the surfaces designers actually ship.
:root {
--color-base: #178E1D;
--color-base-rgb: 23 142 29;
--color-base-oklch: oklch(56.4% 0.178 143.2);
--color-50: #F1FDF2;
--color-100: #DBFADD;
--color-200: #B9F3BC;
--color-300: #89E68E;
--color-400: #5DD563;
--color-500: #3BBA41;
--color-600: #348E39;
--color-700: #2A642D;
--color-800: #1F4221;
--color-900: #152816;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
forest-green: {
50: '#F1FDF2',
100: '#DBFADD',
200: '#B9F3BC',
300: '#89E68E',
400: '#5DD563',
500: '#3BBA41',
600: '#348E39',
700: '#2A642D',
800: '#1F4221',
900: '#152816',
},
}
$base: #178E1D; $base-ink: #141310; $base-50: #F1FDF2; $base-100: #DBFADD; $base-200: #B9F3BC; $base-300: #89E68E; $base-400: #5DD563; $base-500: #3BBA41; $base-600: #348E39; $base-700: #2A642D; $base-800: #1F4221; $base-900: #152816; $base-hover: #127017; $base-subtle: #AFE7B1;
{
"color": {
"base": {
"value": "#178E1D",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1FDF2",
"type": "color"
},
"100": {
"value": "#DBFADD",
"type": "color"
},
"200": {
"value": "#B9F3BC",
"type": "color"
},
"300": {
"value": "#89E68E",
"type": "color"
},
"400": {
"value": "#5DD563",
"type": "color"
},
"500": {
"value": "#3BBA41",
"type": "color"
},
"600": {
"value": "#348E39",
"type": "color"
},
"700": {
"value": "#2A642D",
"type": "color"
},
"800": {
"value": "#1F4221",
"type": "color"
},
"900": {
"value": "#152816",
"type": "color"
}
}
}
}