#B4FDF8 is a soft, cool cyan. On the Color Lab it reads clean and engineered. It holds up as a large surface and is too pale to lead as a primary accent.
Not just a swatch — here's how #B4FDF8 works with other colors. Named schemes with #B4FDF8 in its natural role, and a note on why the supporting colors balance it.
Celeste keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Celeste 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.
Celeste opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Celeste 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 Celeste carrying the quiet middle.
Celeste is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Celeste.
How #B4FDF8 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 #B4FDF8 at work across the surfaces designers actually ship.
:root {
--color-base: #B4FDF8;
--color-base-rgb: 180 253 248;
--color-base-oklch: oklch(94.5% 0.072 190.7);
--color-50: #F0FEFD;
--color-100: #D8FDFB;
--color-200: #B1FCF7;
--color-300: #7AF5ED;
--color-400: #4AE8DD;
--color-500: #27CEC3;
--color-600: #269C94;
--color-700: #216E69;
--color-800: #1A4744;
--color-900: #122B2A;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
celeste: {
50: '#F0FEFD',
100: '#D8FDFB',
200: '#B1FCF7',
300: '#7AF5ED',
400: '#4AE8DD',
500: '#27CEC3',
600: '#269C94',
700: '#216E69',
800: '#1A4744',
900: '#122B2A',
},
}
$base: #B4FDF8; $base-ink: #141310; $base-50: #F0FEFD; $base-100: #D8FDFB; $base-200: #B1FCF7; $base-300: #7AF5ED; $base-400: #4AE8DD; $base-500: #27CEC3; $base-600: #269C94; $base-700: #216E69; $base-800: #1A4744; $base-900: #122B2A; $base-hover: #60FBF1; $base-subtle: #EBFCFB;
{
"color": {
"base": {
"value": "#B4FDF8",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F0FEFD",
"type": "color"
},
"100": {
"value": "#D8FDFB",
"type": "color"
},
"200": {
"value": "#B1FCF7",
"type": "color"
},
"300": {
"value": "#7AF5ED",
"type": "color"
},
"400": {
"value": "#4AE8DD",
"type": "color"
},
"500": {
"value": "#27CEC3",
"type": "color"
},
"600": {
"value": "#269C94",
"type": "color"
},
"700": {
"value": "#216E69",
"type": "color"
},
"800": {
"value": "#1A4744",
"type": "color"
},
"900": {
"value": "#122B2A",
"type": "color"
}
}
}
}