#B3DECA is a soft, temperate teal. On the Color Lab it reads 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 #B3DECA works with other colors. Named schemes with #B3DECA 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 #B3DECA 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 #B3DECA at work across the surfaces designers actually ship.
:root {
--color-base: #B3DECA;
--color-base-rgb: 179 222 202;
--color-base-oklch: oklch(86.4% 0.053 165.2);
--color-50: #F4FBF8;
--color-100: #E2F3EB;
--color-200: #C6E6D7;
--color-300: #9ED1B9;
--color-400: #79B99B;
--color-500: #589D7D;
--color-600: #497963;
--color-700: #385748;
--color-800: #273A31;
--color-900: #19241F;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
seafoam: {
50: '#F4FBF8',
100: '#E2F3EB',
200: '#C6E6D7',
300: '#9ED1B9',
400: '#79B99B',
500: '#589D7D',
600: '#497963',
700: '#385748',
800: '#273A31',
900: '#19241F',
},
}
$base: #B3DECA; $base-ink: #141310; $base-50: #F4FBF8; $base-100: #E2F3EB; $base-200: #C6E6D7; $base-300: #9ED1B9; $base-400: #79B99B; $base-500: #589D7D; $base-600: #497963; $base-700: #385748; $base-800: #273A31; $base-900: #19241F; $base-hover: #7DC6A4; $base-subtle: #EAF4EF;
{
"color": {
"base": {
"value": "#B3DECA",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F4FBF8",
"type": "color"
},
"100": {
"value": "#E2F3EB",
"type": "color"
},
"200": {
"value": "#C6E6D7",
"type": "color"
},
"300": {
"value": "#9ED1B9",
"type": "color"
},
"400": {
"value": "#79B99B",
"type": "color"
},
"500": {
"value": "#589D7D",
"type": "color"
},
"600": {
"value": "#497963",
"type": "color"
},
"700": {
"value": "#385748",
"type": "color"
},
"800": {
"value": "#273A31",
"type": "color"
},
"900": {
"value": "#19241F",
"type": "color"
}
}
}
}