#DEEFF6 is a light neutral with only a whisper of temperate cast. 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 #DEEFF6 works with other colors. Named schemes with #DEEFF6 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 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 vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Cool White.
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 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.
How #DEEFF6 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 #DEEFF6 at work across the surfaces designers actually ship.
:root {
--color-base: #DEEFF6;
--color-base-rgb: 222 239 246;
--color-base-oklch: oklch(94.2% 0.020 224.3);
--color-50: #F3F9FC;
--color-100: #DEF0F7;
--color-200: #BFDFED;
--color-300: #93C6DC;
--color-400: #6AACC8;
--color-500: #488EAD;
--color-600: #3D6F84;
--color-700: #30515E;
--color-800: #23363E;
--color-900: #172226;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
cool-white: {
50: '#F3F9FC',
100: '#DEF0F7',
200: '#BFDFED',
300: '#93C6DC',
400: '#6AACC8',
500: '#488EAD',
600: '#3D6F84',
700: '#30515E',
800: '#23363E',
900: '#172226',
},
}
$base: #DEEFF6; $base-ink: #141310; $base-50: #F3F9FC; $base-100: #DEF0F7; $base-200: #BFDFED; $base-300: #93C6DC; $base-400: #6AACC8; $base-500: #488EAD; $base-600: #3D6F84; $base-700: #30515E; $base-800: #23363E; $base-900: #172226; $base-hover: #95CBE2; $base-subtle: #F6FAFC;
{
"color": {
"base": {
"value": "#DEEFF6",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F3F9FC",
"type": "color"
},
"100": {
"value": "#DEF0F7",
"type": "color"
},
"200": {
"value": "#BFDFED",
"type": "color"
},
"300": {
"value": "#93C6DC",
"type": "color"
},
"400": {
"value": "#6AACC8",
"type": "color"
},
"500": {
"value": "#488EAD",
"type": "color"
},
"600": {
"value": "#3D6F84",
"type": "color"
},
"700": {
"value": "#30515E",
"type": "color"
},
"800": {
"value": "#23363E",
"type": "color"
},
"900": {
"value": "#172226",
"type": "color"
}
}
}
}