#166D70 is a mid-toned, cool cyan-blue. On the Color Lab it reads clean and engineered, 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 #166D70 works with other colors. Named schemes with #166D70 in its natural role, and a note on why the supporting colors balance it.
Pine Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Pine Green keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Pine 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.
Pine 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.
Pine 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 Pine Green carrying the quiet middle.
How #166D70 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 #166D70 at work across the surfaces designers actually ship.
:root {
--color-base: #166D70;
--color-base-rgb: 22 109 112;
--color-base-oklch: oklch(48.8% 0.077 198.5);
--color-50: #F2FDFD;
--color-100: #DCF8F9;
--color-200: #BBF0F1;
--color-300: #8CE0E3;
--color-400: #62CDD0;
--color-500: #3FB1B5;
--color-600: #37888B;
--color-700: #2C6162;
--color-800: #203F41;
--color-900: #162728;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
pine-green: {
50: '#F2FDFD',
100: '#DCF8F9',
200: '#BBF0F1',
300: '#8CE0E3',
400: '#62CDD0',
500: '#3FB1B5',
600: '#37888B',
700: '#2C6162',
800: '#203F41',
900: '#162728',
},
}
$base: #166D70; $base-ink: #FFFFFF; $base-50: #F2FDFD; $base-100: #DCF8F9; $base-200: #BBF0F1; $base-300: #8CE0E3; $base-400: #62CDD0; $base-500: #3FB1B5; $base-600: #37888B; $base-700: #2C6162; $base-800: #203F41; $base-900: #162728; $base-hover: #125659; $base-subtle: #AAE1E3;
{
"color": {
"base": {
"value": "#166D70",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F2FDFD",
"type": "color"
},
"100": {
"value": "#DCF8F9",
"type": "color"
},
"200": {
"value": "#BBF0F1",
"type": "color"
},
"300": {
"value": "#8CE0E3",
"type": "color"
},
"400": {
"value": "#62CDD0",
"type": "color"
},
"500": {
"value": "#3FB1B5",
"type": "color"
},
"600": {
"value": "#37888B",
"type": "color"
},
"700": {
"value": "#2C6162",
"type": "color"
},
"800": {
"value": "#203F41",
"type": "color"
},
"900": {
"value": "#162728",
"type": "color"
}
}
}
}