#178F69 is a mid-toned, cool teal. On the Color Lab it reads organic and grounded, with a faded, vintage edge. It carries a legible label as a UI accent and reproduces cleanly in print.
Not just a swatch — here's how #178F69 works with other colors. Named schemes with #178F69 in its natural role, and a note on why the supporting colors balance it.
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 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.
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 #178F69 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 #178F69 at work across the surfaces designers actually ship.
:root {
--color-base: #178F69;
--color-base-rgb: 23 143 105;
--color-base-oklch: oklch(57.9% 0.116 165.3);
--color-50: #F1FDFA;
--color-100: #DBFAF0;
--color-200: #B9F3E1;
--color-300: #89E6C9;
--color-400: #5DD5AF;
--color-500: #3BBA92;
--color-600: #348E71;
--color-700: #2A6452;
--color-800: #1F4237;
--color-900: #152822;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
sea-green: {
50: '#F1FDFA',
100: '#DBFAF0',
200: '#B9F3E1',
300: '#89E6C9',
400: '#5DD5AF',
500: '#3BBA92',
600: '#348E71',
700: '#2A6452',
800: '#1F4237',
900: '#152822',
},
}
$base: #178F69; $base-ink: #141310; $base-50: #F1FDFA; $base-100: #DBFAF0; $base-200: #B9F3E1; $base-300: #89E6C9; $base-400: #5DD5AF; $base-500: #3BBA92; $base-600: #348E71; $base-700: #2A6452; $base-800: #1F4237; $base-900: #152822; $base-hover: #137455; $base-subtle: #B0E8D6;
{
"color": {
"base": {
"value": "#178F69",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1FDFA",
"type": "color"
},
"100": {
"value": "#DBFAF0",
"type": "color"
},
"200": {
"value": "#B9F3E1",
"type": "color"
},
"300": {
"value": "#89E6C9",
"type": "color"
},
"400": {
"value": "#5DD5AF",
"type": "color"
},
"500": {
"value": "#3BBA92",
"type": "color"
},
"600": {
"value": "#348E71",
"type": "color"
},
"700": {
"value": "#2A6452",
"type": "color"
},
"800": {
"value": "#1F4237",
"type": "color"
},
"900": {
"value": "#152822",
"type": "color"
}
}
}
}