#39AAA0 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 #39AAA0 works with other colors. Named schemes with #39AAA0 in its natural role, and a note on why the supporting colors balance it.
Light Sea Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Light Sea Green keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Light Sea 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 Light Sea Green carrying the quiet middle.
Light Sea 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 Light Sea Green.
Light Sea 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 #39AAA0 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 #39AAA0 at work across the surfaces designers actually ship.
:root {
--color-base: #39AAA0;
--color-base-rgb: 57 170 160;
--color-base-oklch: oklch(67.3% 0.101 186.7);
--color-50: #F3FCFB;
--color-100: #E0F5F4;
--color-200: #C2EBE7;
--color-300: #97D8D2;
--color-400: #70C2BB;
--color-500: #4EA69F;
--color-600: #42807B;
--color-700: #335C58;
--color-800: #243C3A;
--color-900: #182524;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
light-sea-green: {
50: '#F3FCFB',
100: '#E0F5F4',
200: '#C2EBE7',
300: '#97D8D2',
400: '#70C2BB',
500: '#4EA69F',
600: '#42807B',
700: '#335C58',
800: '#243C3A',
900: '#182524',
},
}
$base: #39AAA0; $base-ink: #141310; $base-50: #F3FCFB; $base-100: #E0F5F4; $base-200: #C2EBE7; $base-300: #97D8D2; $base-400: #70C2BB; $base-500: #4EA69F; $base-600: #42807B; $base-700: #335C58; $base-800: #243C3A; $base-900: #182524; $base-hover: #2E8A82; $base-subtle: #C5E5E2;
{
"color": {
"base": {
"value": "#39AAA0",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F3FCFB",
"type": "color"
},
"100": {
"value": "#E0F5F4",
"type": "color"
},
"200": {
"value": "#C2EBE7",
"type": "color"
},
"300": {
"value": "#97D8D2",
"type": "color"
},
"400": {
"value": "#70C2BB",
"type": "color"
},
"500": {
"value": "#4EA69F",
"type": "color"
},
"600": {
"value": "#42807B",
"type": "color"
},
"700": {
"value": "#335C58",
"type": "color"
},
"800": {
"value": "#243C3A",
"type": "color"
},
"900": {
"value": "#182524",
"type": "color"
}
}
}
}