#178D60 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 #178D60 works with other colors. Named schemes with #178D60 in its natural role, and a note on why the supporting colors balance it.
Sea Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
Sea Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Sea 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.
Sea Green sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Sea 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 Sea Green carrying the quiet middle.
How #178D60 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 #178D60 at work across the surfaces designers actually ship.
:root {
--color-base: #178D60;
--color-base-rgb: 23 141 96;
--color-base-oklch: oklch(57.1% 0.121 161.1);
--color-50: #F1FDF9;
--color-100: #DBFAEE;
--color-200: #B9F3DD;
--color-300: #89E6C2;
--color-400: #5DD5A7;
--color-500: #3BBA89;
--color-600: #348E6B;
--color-700: #2A644E;
--color-800: #1F4234;
--color-900: #152821;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
sea-green: {
50: '#F1FDF9',
100: '#DBFAEE',
200: '#B9F3DD',
300: '#89E6C2',
400: '#5DD5A7',
500: '#3BBA89',
600: '#348E6B',
700: '#2A644E',
800: '#1F4234',
900: '#152821',
},
}
$base: #178D60; $base-ink: #141310; $base-50: #F1FDF9; $base-100: #DBFAEE; $base-200: #B9F3DD; $base-300: #89E6C2; $base-400: #5DD5A7; $base-500: #3BBA89; $base-600: #348E6B; $base-700: #2A644E; $base-800: #1F4234; $base-900: #152821; $base-hover: #12704C; $base-subtle: #AFE7D2;
{
"color": {
"base": {
"value": "#178D60",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1FDF9",
"type": "color"
},
"100": {
"value": "#DBFAEE",
"type": "color"
},
"200": {
"value": "#B9F3DD",
"type": "color"
},
"300": {
"value": "#89E6C2",
"type": "color"
},
"400": {
"value": "#5DD5A7",
"type": "color"
},
"500": {
"value": "#3BBA89",
"type": "color"
},
"600": {
"value": "#348E6B",
"type": "color"
},
"700": {
"value": "#2A644E",
"type": "color"
},
"800": {
"value": "#1F4234",
"type": "color"
},
"900": {
"value": "#152821",
"type": "color"
}
}
}
}