#ECE5E4

CSS

:root {
  --milk-and-cookies: #ece5e4;
  --milk-and-cookies-rgb: 236 229 228;
  --milk-and-cookies-oklch: oklch(0.927 0.008 27.2);
}

.element {
  color: var(--milk-and-cookies);
  background-color: hsl(7 17% 91%);
  border-color: oklch(0.927 0.008 27.2);
}

Tailwind CSS v4

@theme {
  --color-milk-and-cookies: #ece5e4;
  --color-milk-and-cookies-50: #f7f4f4;
  --color-milk-and-cookies-100: #eae7e6;
  --color-milk-and-cookies-200: #d7d3d2;
  --color-milk-and-cookies-300: #bbb6b5;
  --color-milk-and-cookies-400: #a39d9c;
  --color-milk-and-cookies-500: #8b8483;
  --color-milk-and-cookies-600: #76706f;
  --color-milk-and-cookies-700: #5e5a59;
  --color-milk-and-cookies-800: #454141;
  --color-milk-and-cookies-900: #302d2d;
  --color-milk-and-cookies-950: #1c1a1a;
}

SCSS

$milk-and-cookies: #ece5e4;
$milk-and-cookies-rgb: 236, 229, 228;
$milk-and-cookies-light: mix(#fff, $milk-and-cookies, 20%);
$milk-and-cookies-dark: mix(#000, $milk-and-cookies, 20%);

.element {
  color: $milk-and-cookies;
  box-shadow: 0 0 0 2px rgba($milk-and-cookies, 0.35);
}