#239D9F is a mid-toned, cool cyan-blue. On the Color Lab it reads clean and engineered. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #239D9F works with other colors. Named schemes with #239D9F in its natural role, and a note on why the supporting colors balance it.
Persian Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Persian Green keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Persian 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 Persian Green carrying the quiet middle.
Persian Green is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Persian Green.
Persian 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.
How #239D9F 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 #239D9F at work across the surfaces designers actually ship.
:root {
--color-base: #239D9F;
--color-base-rgb: 35 157 159;
--color-base-oklch: oklch(63.5% 0.100 196.6);
--color-50: #F2FDFD;
--color-100: #DDF8F8;
--color-200: #BCEFF0;
--color-300: #8EE0E1;
--color-400: #64CCCE;
--color-500: #42B1B3;
--color-600: #398789;
--color-700: #2E6061;
--color-800: #213F40;
--color-900: #162727;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
persian-green: {
50: '#F2FDFD',
100: '#DDF8F8',
200: '#BCEFF0',
300: '#8EE0E1',
400: '#64CCCE',
500: '#42B1B3',
600: '#398789',
700: '#2E6061',
800: '#213F40',
900: '#162727',
},
}
$base: #239D9F; $base-ink: #141310; $base-50: #F2FDFD; $base-100: #DDF8F8; $base-200: #BCEFF0; $base-300: #8EE0E1; $base-400: #64CCCE; $base-500: #42B1B3; $base-600: #398789; $base-700: #2E6061; $base-800: #213F40; $base-900: #162727; $base-hover: #1C7D7F; $base-subtle: #B9E6E7;
{
"color": {
"base": {
"value": "#239D9F",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F2FDFD",
"type": "color"
},
"100": {
"value": "#DDF8F8",
"type": "color"
},
"200": {
"value": "#BCEFF0",
"type": "color"
},
"300": {
"value": "#8EE0E1",
"type": "color"
},
"400": {
"value": "#64CCCE",
"type": "color"
},
"500": {
"value": "#42B1B3",
"type": "color"
},
"600": {
"value": "#398789",
"type": "color"
},
"700": {
"value": "#2E6061",
"type": "color"
},
"800": {
"value": "#213F40",
"type": "color"
},
"900": {
"value": "#162727",
"type": "color"
}
}
}
}