#B4E4DC is a muted, cool cyan. On the Color Lab it reads clean and engineered, restrained and easy to live with. It holds up as a large surface and is too pale to lead as a primary accent.
Not just a swatch — here's how #B4E4DC works with other colors. Named schemes with #B4E4DC 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 #B4E4DC 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 #B4E4DC at work across the surfaces designers actually ship.
:root {
--color-base: #B4E4DC;
--color-base-rgb: 180 228 220;
--color-base-oklch: oklch(88.3% 0.051 183.9);
--color-50: #F3FBFA;
--color-100: #E0F5F1;
--color-200: #C3E9E3;
--color-300: #99D6CC;
--color-400: #72C0B3;
--color-500: #51A496;
--color-600: #447E74;
--color-700: #345A54;
--color-800: #253C38;
--color-900: #182523;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
seafoam: {
50: '#F3FBFA',
100: '#E0F5F1',
200: '#C3E9E3',
300: '#99D6CC',
400: '#72C0B3',
500: '#51A496',
600: '#447E74',
700: '#345A54',
800: '#253C38',
900: '#182523',
},
}
$base: #B4E4DC; $base-ink: #141310; $base-50: #F3FBFA; $base-100: #E0F5F1; $base-200: #C3E9E3; $base-300: #99D6CC; $base-400: #72C0B3; $base-500: #51A496; $base-600: #447E74; $base-700: #345A54; $base-800: #253C38; $base-900: #182523; $base-hover: #78CEC0; $base-subtle: #EAF5F3;
{
"color": {
"base": {
"value": "#B4E4DC",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F3FBFA",
"type": "color"
},
"100": {
"value": "#E0F5F1",
"type": "color"
},
"200": {
"value": "#C3E9E3",
"type": "color"
},
"300": {
"value": "#99D6CC",
"type": "color"
},
"400": {
"value": "#72C0B3",
"type": "color"
},
"500": {
"value": "#51A496",
"type": "color"
},
"600": {
"value": "#447E74",
"type": "color"
},
"700": {
"value": "#345A54",
"type": "color"
},
"800": {
"value": "#253C38",
"type": "color"
},
"900": {
"value": "#182523",
"type": "color"
}
}
}
}