#EEF2FA

CSS

:root {
  --first-snow: #eef2fa;
  --first-snow-rgb: 238 242 250;
  --first-snow-oklch: oklch(0.96 0.012 264.5);
}

.element {
  color: var(--first-snow);
  background-color: hsl(220 55% 96%);
  border-color: oklch(0.96 0.012 264.5);
}

Tailwind CSS v4

@theme {
  --color-first-snow: #eef2fa;
  --color-first-snow-50: #f3f5f8;
  --color-first-snow-100: #e6e8ec;
  --color-first-snow-200: #d2d4d9;
  --color-first-snow-300: #b5b7bd;
  --color-first-snow-400: #9b9ea5;
  --color-first-snow-500: #82868e;
  --color-first-snow-600: #6e7278;
  --color-first-snow-700: #585b60;
  --color-first-snow-800: #404246;
  --color-first-snow-900: #2c2e31;
  --color-first-snow-950: #191b1d;
}

SCSS

$first-snow: #eef2fa;
$first-snow-rgb: 238, 242, 250;
$first-snow-light: mix(#fff, $first-snow, 20%);
$first-snow-dark: mix(#000, $first-snow, 20%);

.element {
  color: $first-snow;
  box-shadow: 0 0 0 2px rgba($first-snow, 0.35);
}