#DDF5F3 is a pale, temperate off-white. 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 #DDF5F3 works with other colors. Named schemes with #DDF5F3 in its natural role, and a note on why the supporting colors balance it.
Cool White keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Cool White 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.
Cool White opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Cool White 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 Cool White carrying the quiet middle.
Cool White is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Cool White.
How #DDF5F3 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 #DDF5F3 at work across the surfaces designers actually ship.
:root {
--color-base: #DDF5F3;
--color-base-rgb: 221 245 243;
--color-base-oklch: oklch(95.2% 0.025 190.7);
--color-50: #F3FCFB;
--color-100: #DFF6F4;
--color-200: #C0EDE9;
--color-300: #94DBD5;
--color-400: #6BC7BF;
--color-500: #4AABA3;
--color-600: #3F837D;
--color-700: #315E5A;
--color-800: #233E3B;
--color-900: #172625;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
cool-white: {
50: '#F3FCFB',
100: '#DFF6F4',
200: '#C0EDE9',
300: '#94DBD5',
400: '#6BC7BF',
500: '#4AABA3',
600: '#3F837D',
700: '#315E5A',
800: '#233E3B',
900: '#172625',
},
}
$base: #DDF5F3; $base-ink: #141310; $base-50: #F3FCFB; $base-100: #DFF6F4; $base-200: #C0EDE9; $base-300: #94DBD5; $base-400: #6BC7BF; $base-500: #4AABA3; $base-600: #3F837D; $base-700: #315E5A; $base-800: #233E3B; $base-900: #172625; $base-hover: #93E0D9; $base-subtle: #F5FBFB;
{
"color": {
"base": {
"value": "#DDF5F3",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F3FCFB",
"type": "color"
},
"100": {
"value": "#DFF6F4",
"type": "color"
},
"200": {
"value": "#C0EDE9",
"type": "color"
},
"300": {
"value": "#94DBD5",
"type": "color"
},
"400": {
"value": "#6BC7BF",
"type": "color"
},
"500": {
"value": "#4AABA3",
"type": "color"
},
"600": {
"value": "#3F837D",
"type": "color"
},
"700": {
"value": "#315E5A",
"type": "color"
},
"800": {
"value": "#233E3B",
"type": "color"
},
"900": {
"value": "#172625",
"type": "color"
}
}
}
}