#128E79 is a mid-toned, cool teal. 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 #128E79 works with other colors. Named schemes with #128E79 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 #128E79 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 #128E79 at work across the surfaces designers actually ship.
:root {
--color-base: #128E79;
--color-base-rgb: 18 142 121;
--color-base-oklch: oklch(58.0% 0.104 176.9);
--color-50: #F1FEFC;
--color-100: #DAFBF6;
--color-200: #B6F6EB;
--color-300: #85EAD9;
--color-400: #58DAC4;
--color-500: #36BFA8;
--color-600: #309181;
--color-700: #28675C;
--color-800: #1E433D;
--color-900: #142926;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
dark-cyan: {
50: '#F1FEFC',
100: '#DAFBF6',
200: '#B6F6EB',
300: '#85EAD9',
400: '#58DAC4',
500: '#36BFA8',
600: '#309181',
700: '#28675C',
800: '#1E433D',
900: '#142926',
},
}
$base: #128E79; $base-ink: #141310; $base-50: #F1FEFC; $base-100: #DAFBF6; $base-200: #B6F6EB; $base-300: #85EAD9; $base-400: #58DAC4; $base-500: #36BFA8; $base-600: #309181; $base-700: #28675C; $base-800: #1E433D; $base-900: #142926; $base-hover: #0E7160; $base-subtle: #ABEADF;
{
"color": {
"base": {
"value": "#128E79",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1FEFC",
"type": "color"
},
"100": {
"value": "#DAFBF6",
"type": "color"
},
"200": {
"value": "#B6F6EB",
"type": "color"
},
"300": {
"value": "#85EAD9",
"type": "color"
},
"400": {
"value": "#58DAC4",
"type": "color"
},
"500": {
"value": "#36BFA8",
"type": "color"
},
"600": {
"value": "#309181",
"type": "color"
},
"700": {
"value": "#28675C",
"type": "color"
},
"800": {
"value": "#1E433D",
"type": "color"
},
"900": {
"value": "#142926",
"type": "color"
}
}
}
}