#187B4E is a mid-toned, cool teal-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 #187B4E works with other colors. Named schemes with #187B4E in its natural role, and a note on why the supporting colors balance it.
Fern Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
Fern Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Fern 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.
Fern Green sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Fern 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 Fern Green carrying the quiet middle.
How #187B4E 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 #187B4E at work across the surfaces designers actually ship.
:root {
--color-base: #187B4E;
--color-base-rgb: 24 123 78;
--color-base-oklch: oklch(51.7% 0.113 157.8);
--color-50: #F2FDF8;
--color-100: #DCF9EC;
--color-200: #BBF1D9;
--color-300: #8CE3BC;
--color-400: #62D09F;
--color-500: #3FB580;
--color-600: #378B65;
--color-700: #2C624A;
--color-800: #204132;
--color-900: #162820;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
fern-green: {
50: '#F2FDF8',
100: '#DCF9EC',
200: '#BBF1D9',
300: '#8CE3BC',
400: '#62D09F',
500: '#3FB580',
600: '#378B65',
700: '#2C624A',
800: '#204132',
900: '#162820',
},
}
$base: #187B4E; $base-ink: #FFFFFF; $base-50: #F2FDF8; $base-100: #DCF9EC; $base-200: #BBF1D9; $base-300: #8CE3BC; $base-400: #62D09F; $base-500: #3FB580; $base-600: #378B65; $base-700: #2C624A; $base-800: #204132; $base-900: #162820; $base-hover: #14633F; $base-subtle: #ADE4CB;
{
"color": {
"base": {
"value": "#187B4E",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F2FDF8",
"type": "color"
},
"100": {
"value": "#DCF9EC",
"type": "color"
},
"200": {
"value": "#BBF1D9",
"type": "color"
},
"300": {
"value": "#8CE3BC",
"type": "color"
},
"400": {
"value": "#62D09F",
"type": "color"
},
"500": {
"value": "#3FB580",
"type": "color"
},
"600": {
"value": "#378B65",
"type": "color"
},
"700": {
"value": "#2C624A",
"type": "color"
},
"800": {
"value": "#204132",
"type": "color"
},
"900": {
"value": "#162820",
"type": "color"
}
}
}
}