#178982 is a mid-toned, cool cyan. On the Color Lab it reads 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 #178982 works with other colors. Named schemes with #178982 in its natural role, and a note on why the supporting colors balance it.
Dark Cyan opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Dark Cyan plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Dark Cyan 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.
Dark Cyan sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Dark Cyan 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 Dark Cyan carrying the quiet middle.
How #178982 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 #178982 at work across the surfaces designers actually ship.
:root {
--color-base: #178982;
--color-base-rgb: 23 137 130;
--color-base-oklch: oklch(57.0% 0.094 188.3);
--color-50: #F1FDFD;
--color-100: #DBFAF8;
--color-200: #B9F3EF;
--color-300: #8AE5DF;
--color-400: #5ED4CC;
--color-500: #3CB9B1;
--color-600: #358D87;
--color-700: #2B6460;
--color-800: #1F423F;
--color-900: #152827;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
dark-cyan: {
50: '#F1FDFD',
100: '#DBFAF8',
200: '#B9F3EF',
300: '#8AE5DF',
400: '#5ED4CC',
500: '#3CB9B1',
600: '#358D87',
700: '#2B6460',
800: '#1F423F',
900: '#152827',
},
}
$base: #178982; $base-ink: #141310; $base-50: #F1FDFD; $base-100: #DBFAF8; $base-200: #B9F3EF; $base-300: #8AE5DF; $base-400: #5ED4CC; $base-500: #3CB9B1; $base-600: #358D87; $base-700: #2B6460; $base-800: #1F423F; $base-900: #152827; $base-hover: #126C66; $base-subtle: #AEE7E3;
{
"color": {
"base": {
"value": "#178982",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1FDFD",
"type": "color"
},
"100": {
"value": "#DBFAF8",
"type": "color"
},
"200": {
"value": "#B9F3EF",
"type": "color"
},
"300": {
"value": "#8AE5DF",
"type": "color"
},
"400": {
"value": "#5ED4CC",
"type": "color"
},
"500": {
"value": "#3CB9B1",
"type": "color"
},
"600": {
"value": "#358D87",
"type": "color"
},
"700": {
"value": "#2B6460",
"type": "color"
},
"800": {
"value": "#1F423F",
"type": "color"
},
"900": {
"value": "#152827",
"type": "color"
}
}
}
}