#278564 is a mid-toned, cool teal. 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 #278564 works with other colors. Named schemes with #278564 in its natural role, and a note on why the supporting colors balance it.
Viridian opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Viridian plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Viridian 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.
Viridian sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Viridian 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 Viridian carrying the quiet middle.
How #278564 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 #278564 at work across the surfaces designers actually ship.
:root {
--color-base: #278564;
--color-base-rgb: 39 133 100;
--color-base-oklch: oklch(55.3% 0.101 165.4);
--color-50: #F3FCF9;
--color-100: #DFF6EE;
--color-200: #C0EDDD;
--color-300: #94DBC2;
--color-400: #6BC7A7;
--color-500: #4AAB89;
--color-600: #3F836B;
--color-700: #315E4E;
--color-800: #233E34;
--color-900: #172621;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
viridian: {
50: '#F3FCF9',
100: '#DFF6EE',
200: '#C0EDDD',
300: '#94DBC2',
400: '#6BC7A7',
500: '#4AAB89',
600: '#3F836B',
700: '#315E4E',
800: '#233E34',
900: '#172621',
},
}
$base: #278564; $base-ink: #141310; $base-50: #F3FCF9; $base-100: #DFF6EE; $base-200: #C0EDDD; $base-300: #94DBC2; $base-400: #6BC7A7; $base-500: #4AAB89; $base-600: #3F836B; $base-700: #315E4E; $base-800: #233E34; $base-900: #172621; $base-hover: #1F6C51; $base-subtle: #B7E2D3;
{
"color": {
"base": {
"value": "#278564",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F3FCF9",
"type": "color"
},
"100": {
"value": "#DFF6EE",
"type": "color"
},
"200": {
"value": "#C0EDDD",
"type": "color"
},
"300": {
"value": "#94DBC2",
"type": "color"
},
"400": {
"value": "#6BC7A7",
"type": "color"
},
"500": {
"value": "#4AAB89",
"type": "color"
},
"600": {
"value": "#3F836B",
"type": "color"
},
"700": {
"value": "#315E4E",
"type": "color"
},
"800": {
"value": "#233E34",
"type": "color"
},
"900": {
"value": "#172621",
"type": "color"
}
}
}
}