#EFECF9 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 #EFECF9 works with other colors. Named schemes with #EFECF9 in its natural role, and a note on why the supporting colors balance it.
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 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 sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
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 #EFECF9 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 #EFECF9 at work across the surfaces designers actually ship.
:root {
--color-base: #EFECF9;
--color-base-rgb: 239 236 249;
--color-base-oklch: oklch(94.9% 0.018 296.6);
--color-50: #F5F3FC;
--color-100: #E5DFF6;
--color-200: #CBC1EB;
--color-300: #A696D9;
--color-400: #826EC4;
--color-500: #624DA8;
--color-600: #504181;
--color-700: #3C325C;
--color-800: #2A243D;
--color-900: #1B1826;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
cool-white: {
50: '#F5F3FC',
100: '#E5DFF6',
200: '#CBC1EB',
300: '#A696D9',
400: '#826EC4',
500: '#624DA8',
600: '#504181',
700: '#3C325C',
800: '#2A243D',
900: '#1B1826',
},
}
$base: #EFECF9; $base-ink: #141310; $base-50: #F5F3FC; $base-100: #E5DFF6; $base-200: #CBC1EB; $base-300: #A696D9; $base-400: #826EC4; $base-500: #624DA8; $base-600: #504181; $base-700: #3C325C; $base-800: #2A243D; $base-900: #1B1826; $base-hover: #B1A2E2; $base-subtle: #FAFAFD;
{
"color": {
"base": {
"value": "#EFECF9",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F5F3FC",
"type": "color"
},
"100": {
"value": "#E5DFF6",
"type": "color"
},
"200": {
"value": "#CBC1EB",
"type": "color"
},
"300": {
"value": "#A696D9",
"type": "color"
},
"400": {
"value": "#826EC4",
"type": "color"
},
"500": {
"value": "#624DA8",
"type": "color"
},
"600": {
"value": "#504181",
"type": "color"
},
"700": {
"value": "#3C325C",
"type": "color"
},
"800": {
"value": "#2A243D",
"type": "color"
},
"900": {
"value": "#1B1826",
"type": "color"
}
}
}
}