#99EADE is a soft, cool cyan. It holds up as a large surface and is too pale to lead as a primary accent.
Not just a swatch — here's how #99EADE works with other colors. Named schemes with #99EADE 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 #99EADE 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 #99EADE at work across the surfaces designers actually ship.
:root {
--color-base: #99EADE;
--color-base-rgb: 153 234 222;
--color-base-oklch: oklch(88.2% 0.081 184.1);
--color-50: #F2FDFB;
--color-100: #DCF9F5;
--color-200: #BBF1E9;
--color-300: #8DE2D5;
--color-400: #62D0BF;
--color-500: #40B5A3;
--color-600: #388A7E;
--color-700: #2D625A;
--color-800: #21403C;
--color-900: #162825;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
seafoam: {
50: '#F2FDFB',
100: '#DCF9F5',
200: '#BBF1E9',
300: '#8DE2D5',
400: '#62D0BF',
500: '#40B5A3',
600: '#388A7E',
700: '#2D625A',
800: '#21403C',
900: '#162825',
},
}
$base: #99EADE; $base-ink: #141310; $base-50: #F2FDFB; $base-100: #DCF9F5; $base-200: #BBF1E9; $base-300: #8DE2D5; $base-400: #62D0BF; $base-500: #40B5A3; $base-600: #388A7E; $base-700: #2D625A; $base-800: #21403C; $base-900: #162825; $base-hover: #59DDC9; $base-subtle: #E3F6F3;
{
"color": {
"base": {
"value": "#99EADE",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F2FDFB",
"type": "color"
},
"100": {
"value": "#DCF9F5",
"type": "color"
},
"200": {
"value": "#BBF1E9",
"type": "color"
},
"300": {
"value": "#8DE2D5",
"type": "color"
},
"400": {
"value": "#62D0BF",
"type": "color"
},
"500": {
"value": "#40B5A3",
"type": "color"
},
"600": {
"value": "#388A7E",
"type": "color"
},
"700": {
"value": "#2D625A",
"type": "color"
},
"800": {
"value": "#21403C",
"type": "color"
},
"900": {
"value": "#162825",
"type": "color"
}
}
}
}