#08594E is a mid-toned, cool cyan. On the Color Lab it reads quietly premium, restrained and easy to live with. It carries a legible label as a UI accent and reproduces cleanly in print.
Not just a swatch — here's how #08594E works with other colors. Named schemes with #08594E in its natural role, and a note on why the supporting colors balance it.
Castleton Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Castleton Green keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Castleton Green plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Castleton Green 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.
Castleton Green 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 Castleton Green carrying the quiet middle.
How #08594E 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 #08594E at work across the surfaces designers actually ship.
:root {
--color-base: #08594E;
--color-base-rgb: 8 89 78;
--color-base-oklch: oklch(41.7% 0.073 180.3);
--color-50: #F0FEFD;
--color-100: #D8FDF8;
--color-200: #B4F8EF;
--color-300: #81EEDF;
--color-400: #53DFCC;
--color-500: #30C4B1;
--color-600: #2D9587;
--color-700: #256960;
--color-800: #1C453F;
--color-900: #132A27;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
castleton-green: {
50: '#F0FEFD',
100: '#D8FDF8',
200: '#B4F8EF',
300: '#81EEDF',
400: '#53DFCC',
500: '#30C4B1',
600: '#2D9587',
700: '#256960',
800: '#1C453F',
900: '#132A27',
},
}
$base: #08594E; $base-ink: #FFFFFF; $base-50: #F0FEFD; $base-100: #D8FDF8; $base-200: #B4F8EF; $base-300: #81EEDF; $base-400: #53DFCC; $base-500: #30C4B1; $base-600: #2D9587; $base-700: #256960; $base-800: #1C453F; $base-900: #132A27; $base-hover: #06473F; $base-subtle: #99E9DE;
{
"color": {
"base": {
"value": "#08594E",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F0FEFD",
"type": "color"
},
"100": {
"value": "#D8FDF8",
"type": "color"
},
"200": {
"value": "#B4F8EF",
"type": "color"
},
"300": {
"value": "#81EEDF",
"type": "color"
},
"400": {
"value": "#53DFCC",
"type": "color"
},
"500": {
"value": "#30C4B1",
"type": "color"
},
"600": {
"value": "#2D9587",
"type": "color"
},
"700": {
"value": "#256960",
"type": "color"
},
"800": {
"value": "#1C453F",
"type": "color"
},
"900": {
"value": "#132A27",
"type": "color"
}
}
}
}