#A9EFDA is a soft, cool teal. It holds up as a large surface and is too pale to lead as a primary accent.
Not just a swatch — here's how #A9EFDA works with other colors. Named schemes with #A9EFDA in its natural role, and a note on why the supporting colors balance it.
Seafoam keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Seafoam sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.
Seafoam opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Seafoam 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 Seafoam carrying the quiet middle.
Seafoam is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Seafoam.
How #A9EFDA 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 #A9EFDA at work across the surfaces designers actually ship.
:root {
--color-base: #A9EFDA;
--color-base-rgb: 169 239 218;
--color-base-oklch: oklch(90.0% 0.076 173.9);
--color-50: #F2FDFA;
--color-100: #DCF9F1;
--color-200: #BAF2E1;
--color-300: #8BE4C9;
--color-400: #60D2B0;
--color-500: #3EB793;
--color-600: #368C72;
--color-700: #2C6353;
--color-800: #204137;
--color-900: #152822;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
seafoam: {
50: '#F2FDFA',
100: '#DCF9F1',
200: '#BAF2E1',
300: '#8BE4C9',
400: '#60D2B0',
500: '#3EB793',
600: '#368C72',
700: '#2C6353',
800: '#204137',
900: '#152822',
},
}
$base: #A9EFDA; $base-ink: #141310; $base-50: #F2FDFA; $base-100: #DCF9F1; $base-200: #BAF2E1; $base-300: #8BE4C9; $base-400: #60D2B0; $base-500: #3EB793; $base-600: #368C72; $base-700: #2C6353; $base-800: #204137; $base-900: #152822; $base-hover: #64E3BD; $base-subtle: #E8F8F3;
{
"color": {
"base": {
"value": "#A9EFDA",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F2FDFA",
"type": "color"
},
"100": {
"value": "#DCF9F1",
"type": "color"
},
"200": {
"value": "#BAF2E1",
"type": "color"
},
"300": {
"value": "#8BE4C9",
"type": "color"
},
"400": {
"value": "#60D2B0",
"type": "color"
},
"500": {
"value": "#3EB793",
"type": "color"
},
"600": {
"value": "#368C72",
"type": "color"
},
"700": {
"value": "#2C6353",
"type": "color"
},
"800": {
"value": "#204137",
"type": "color"
},
"900": {
"value": "#152822",
"type": "color"
}
}
}
}