#E5DAD7

CSS

:root {
  --milk-and-cookies: #e5dad7;
  --milk-and-cookies-rgb: 229 218 215;
  --milk-and-cookies-oklch: oklch(0.896 0.013 35.7);
}

.element {
  color: var(--milk-and-cookies);
  background-color: hsl(13 21% 87%);
  border-color: oklch(0.896 0.013 35.7);
}

Tailwind CSS v4

@theme {
  --color-milk-and-cookies: #e5dad7;
  --color-milk-and-cookies-50: #f9f4f2;
  --color-milk-and-cookies-100: #ece6e5;
  --color-milk-and-cookies-200: #d9d2d0;
  --color-milk-and-cookies-300: #beb5b3;
  --color-milk-and-cookies-400: #a69c99;
  --color-milk-and-cookies-500: #8e8380;
  --color-milk-and-cookies-600: #786f6d;
  --color-milk-and-cookies-700: #605957;
  --color-milk-and-cookies-800: #47413f;
  --color-milk-and-cookies-900: #312d2c;
  --color-milk-and-cookies-950: #1d1a19;
}

SCSS

$milk-and-cookies: #e5dad7;
$milk-and-cookies-rgb: 229, 218, 215;
$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);
}