#D0DED0

CSS

:root {
  --misty-marsh: #d0ded0;
  --misty-marsh-rgb: 208 222 208;
  --misty-marsh-oklch: oklch(0.886 0.024 145.4);
}

.element {
  color: var(--misty-marsh);
  background-color: hsl(120 18% 84%);
  border-color: oklch(0.886 0.024 145.4);
}

Tailwind CSS v4

@theme {
  --color-misty-marsh: #d0ded0;
  --color-misty-marsh-50: #f1f7f1;
  --color-misty-marsh-100: #e3eae3;
  --color-misty-marsh-200: #ced7ce;
  --color-misty-marsh-300: #b0bbb0;
  --color-misty-marsh-400: #96a296;
  --color-misty-marsh-500: #7d8b7d;
  --color-misty-marsh-600: #69756a;
  --color-misty-marsh-700: #545e54;
  --color-misty-marsh-800: #3e453d;
  --color-misty-marsh-900: #2a2f2a;
  --color-misty-marsh-950: #181c18;
}

SCSS

$misty-marsh: #d0ded0;
$misty-marsh-rgb: 208, 222, 208;
$misty-marsh-light: mix(#fff, $misty-marsh, 20%);
$misty-marsh-dark: mix(#000, $misty-marsh, 20%);

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