#129787 is a mid-toned, cool cyan. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #129787 works with other colors. Named schemes with #129787 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 #129787 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 #129787 at work across the surfaces designers actually ship.
:root {
--color-base: #129787;
--color-base-rgb: 18 151 135;
--color-base-oklch: oklch(60.8% 0.106 181.7);
--color-50: #F1FEFC;
--color-100: #DAFCF8;
--color-200: #B6F6EF;
--color-300: #85EBDF;
--color-400: #58DACB;
--color-500: #35C0B0;
--color-600: #309287;
--color-700: #286760;
--color-800: #1D433F;
--color-900: #142927;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
dark-cyan: {
50: '#F1FEFC',
100: '#DAFCF8',
200: '#B6F6EF',
300: '#85EBDF',
400: '#58DACB',
500: '#35C0B0',
600: '#309287',
700: '#286760',
800: '#1D433F',
900: '#142927',
},
}
$base: #129787; $base-ink: #141310; $base-50: #F1FEFC; $base-100: #DAFCF8; $base-200: #B6F6EF; $base-300: #85EBDF; $base-400: #58DACB; $base-500: #35C0B0; $base-600: #309287; $base-700: #286760; $base-800: #1D433F; $base-900: #142927; $base-hover: #0E796C; $base-subtle: #ADEBE3;
{
"color": {
"base": {
"value": "#129787",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1FEFC",
"type": "color"
},
"100": {
"value": "#DAFCF8",
"type": "color"
},
"200": {
"value": "#B6F6EF",
"type": "color"
},
"300": {
"value": "#85EBDF",
"type": "color"
},
"400": {
"value": "#58DACB",
"type": "color"
},
"500": {
"value": "#35C0B0",
"type": "color"
},
"600": {
"value": "#309287",
"type": "color"
},
"700": {
"value": "#286760",
"type": "color"
},
"800": {
"value": "#1D433F",
"type": "color"
},
"900": {
"value": "#142927",
"type": "color"
}
}
}
}