#378B60 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 reproduces cleanly in print.
Not just a swatch — here's how #378B60 works with other colors. Named schemes with #378B60 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 #378B60 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 #378B60 at work across the surfaces designers actually ship.
:root {
--color-base: #378B60;
--color-base-rgb: 55 139 96;
--color-base-oklch: oklch(57.3% 0.106 158.0);
--color-50: #F4FBF7;
--color-100: #E1F4EA;
--color-200: #C5E8D6;
--color-300: #9CD3B7;
--color-400: #75BD98;
--color-500: #55A079;
--color-600: #467C60;
--color-700: #365947;
--color-800: #263B30;
--color-900: #19241E;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
sea-green: {
50: '#F4FBF7',
100: '#E1F4EA',
200: '#C5E8D6',
300: '#9CD3B7',
400: '#75BD98',
500: '#55A079',
600: '#467C60',
700: '#365947',
800: '#263B30',
900: '#19241E',
},
}
$base: #378B60; $base-ink: #141310; $base-50: #F4FBF7; $base-100: #E1F4EA; $base-200: #C5E8D6; $base-300: #9CD3B7; $base-400: #75BD98; $base-500: #55A079; $base-600: #467C60; $base-700: #365947; $base-800: #263B30; $base-900: #19241E; $base-hover: #2C6F4C; $base-subtle: #C0DFCF;
{
"color": {
"base": {
"value": "#378B60",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F4FBF7",
"type": "color"
},
"100": {
"value": "#E1F4EA",
"type": "color"
},
"200": {
"value": "#C5E8D6",
"type": "color"
},
"300": {
"value": "#9CD3B7",
"type": "color"
},
"400": {
"value": "#75BD98",
"type": "color"
},
"500": {
"value": "#55A079",
"type": "color"
},
"600": {
"value": "#467C60",
"type": "color"
},
"700": {
"value": "#365947",
"type": "color"
},
"800": {
"value": "#263B30",
"type": "color"
},
"900": {
"value": "#19241E",
"type": "color"
}
}
}
}