#018A4A is a mid-toned, cool teal-green. On the Color Lab it reads organic and grounded. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #018A4A works with other colors. Named schemes with #018A4A in its natural role, and a note on why the supporting colors balance it.
Sea Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
Sea Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Sea 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.
Sea Green sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
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 Sea Green carrying the quiet middle.
How #018A4A 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 #018A4A at work across the surfaces designers actually ship.
:root {
--color-base: #018A4A;
--color-base-rgb: 1 138 74;
--color-base-oklch: oklch(55.6% 0.141 153.6);
--color-50: #F0FEF8;
--color-100: #D8FDEC;
--color-200: #B1FCD9;
--color-300: #78F7BC;
--color-400: #47EB9E;
--color-500: #23D280;
--color-600: #239F65;
--color-700: #1F6F4A;
--color-800: #194832;
--color-900: #112C1F;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
sea-green: {
50: '#F0FEF8',
100: '#D8FDEC',
200: '#B1FCD9',
300: '#78F7BC',
400: '#47EB9E',
500: '#23D280',
600: '#239F65',
700: '#1F6F4A',
800: '#194832',
900: '#112C1F',
},
}
$base: #018A4A; $base-ink: #141310; $base-50: #F0FEF8; $base-100: #D8FDEC; $base-200: #B1FCD9; $base-300: #78F7BC; $base-400: #47EB9E; $base-500: #23D280; $base-600: #239F65; $base-700: #1F6F4A; $base-800: #194832; $base-900: #112C1F; $base-hover: #016E3B; $base-subtle: #9DF1CA;
{
"color": {
"base": {
"value": "#018A4A",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F0FEF8",
"type": "color"
},
"100": {
"value": "#D8FDEC",
"type": "color"
},
"200": {
"value": "#B1FCD9",
"type": "color"
},
"300": {
"value": "#78F7BC",
"type": "color"
},
"400": {
"value": "#47EB9E",
"type": "color"
},
"500": {
"value": "#23D280",
"type": "color"
},
"600": {
"value": "#239F65",
"type": "color"
},
"700": {
"value": "#1F6F4A",
"type": "color"
},
"800": {
"value": "#194832",
"type": "color"
},
"900": {
"value": "#112C1F",
"type": "color"
}
}
}
}