#428673 is a mid-toned, cool teal. On the Color Lab it reads with a faded, vintage edge, 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 #428673 works with other colors. Named schemes with #428673 in its natural role, and a note on why the supporting colors balance it.
Viridian opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Viridian keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Viridian plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Viridian 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.
Viridian 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 Viridian carrying the quiet middle.
How #428673 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 #428673 at work across the surfaces designers actually ship.
:root {
--color-base: #428673;
--color-base-rgb: 66 134 115;
--color-base-oklch: oklch(57.0% 0.076 173.0);
--color-50: #F4FAF9;
--color-100: #E3F2EE;
--color-200: #C8E4DC;
--color-300: #A2CEC1;
--color-400: #7DB5A5;
--color-500: #5C9887;
--color-600: #4C766A;
--color-700: #3A554D;
--color-800: #283934;
--color-900: #1A2321;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
viridian: {
50: '#F4FAF9',
100: '#E3F2EE',
200: '#C8E4DC',
300: '#A2CEC1',
400: '#7DB5A5',
500: '#5C9887',
600: '#4C766A',
700: '#3A554D',
800: '#283934',
900: '#1A2321',
},
}
$base: #428673; $base-ink: #141310; $base-50: #F4FAF9; $base-100: #E3F2EE; $base-200: #C8E4DC; $base-300: #A2CEC1; $base-400: #7DB5A5; $base-500: #5C9887; $base-600: #4C766A; $base-700: #3A554D; $base-800: #283934; $base-900: #1A2321; $base-hover: #356B5B; $base-subtle: #C4DCD6;
{
"color": {
"base": {
"value": "#428673",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F4FAF9",
"type": "color"
},
"100": {
"value": "#E3F2EE",
"type": "color"
},
"200": {
"value": "#C8E4DC",
"type": "color"
},
"300": {
"value": "#A2CEC1",
"type": "color"
},
"400": {
"value": "#7DB5A5",
"type": "color"
},
"500": {
"value": "#5C9887",
"type": "color"
},
"600": {
"value": "#4C766A",
"type": "color"
},
"700": {
"value": "#3A554D",
"type": "color"
},
"800": {
"value": "#283934",
"type": "color"
},
"900": {
"value": "#1A2321",
"type": "color"
}
}
}
}