#F4E1D8

CSS

:root {
  --peachy-milk: #f4e1d8;
  --peachy-milk-rgb: 244 225 216;
  --peachy-milk-oklch: oklch(0.923 0.024 47.1);
}

.element {
  color: var(--peachy-milk);
  background-color: hsl(19 56% 90%);
  border-color: oklch(0.923 0.024 47.1);
}

Tailwind CSS v4

@theme {
  --color-peachy-milk: #f4e1d8;
  --color-peachy-milk-50: #fbf3ef;
  --color-peachy-milk-100: #efe6e1;
  --color-peachy-milk-200: #ddd1cb;
  --color-peachy-milk-300: #c2b4ad;
  --color-peachy-milk-400: #ab9a92;
  --color-peachy-milk-500: #948279;
  --color-peachy-milk-600: #7e6e66;
  --color-peachy-milk-700: #655852;
  --color-peachy-milk-800: #4a403c;
  --color-peachy-milk-900: #332c29;
  --color-peachy-milk-950: #1f1917;
}

SCSS

$peachy-milk: #f4e1d8;
$peachy-milk-rgb: 244, 225, 216;
$peachy-milk-light: mix(#fff, $peachy-milk, 20%);
$peachy-milk-dark: mix(#000, $peachy-milk, 20%);

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