#12C8BB is a mid-toned, cool cyan. It sits well as a supporting tone.
Not just a swatch — here's how #12C8BB works with other colors. Named schemes with #12C8BB in its natural role, and a note on why the supporting colors balance it.
Robin Egg Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Robin Egg Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Robin Egg Blue 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 Robin Egg Blue carrying the quiet middle.
Robin Egg Blue is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Robin Egg Blue.
Robin Egg Blue 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.
How #12C8BB 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 #12C8BB at work across the surfaces designers actually ship.
:root {
--color-base: #12C8BB;
--color-base-rgb: 18 200 187;
--color-base-oklch: oklch(75.1% 0.129 186.5);
--color-50: #F0FEFD;
--color-100: #D9FDFA;
--color-200: #B4F8F3;
--color-300: #82EDE6;
--color-400: #54DED5;
--color-500: #31C3BA;
--color-600: #2D958E;
--color-700: #266964;
--color-800: #1C4442;
--color-900: #132A28;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
robin-egg-blue: {
50: '#F0FEFD',
100: '#D9FDFA',
200: '#B4F8F3',
300: '#82EDE6',
400: '#54DED5',
500: '#31C3BA',
600: '#2D958E',
700: '#266964',
800: '#1C4442',
900: '#132A28',
},
}
$base: #12C8BB; $base-ink: #141310; $base-50: #F0FEFD; $base-100: #D9FDFA; $base-200: #B4F8F3; $base-300: #82EDE6; $base-400: #54DED5; $base-500: #31C3BA; $base-600: #2D958E; $base-700: #266964; $base-800: #1C4442; $base-900: #132A28; $base-hover: #0FA197; $base-subtle: #B8EFEB;
{
"color": {
"base": {
"value": "#12C8BB",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F0FEFD",
"type": "color"
},
"100": {
"value": "#D9FDFA",
"type": "color"
},
"200": {
"value": "#B4F8F3",
"type": "color"
},
"300": {
"value": "#82EDE6",
"type": "color"
},
"400": {
"value": "#54DED5",
"type": "color"
},
"500": {
"value": "#31C3BA",
"type": "color"
},
"600": {
"value": "#2D958E",
"type": "color"
},
"700": {
"value": "#266964",
"type": "color"
},
"800": {
"value": "#1C4442",
"type": "color"
},
"900": {
"value": "#132A28",
"type": "color"
}
}
}
}