#C8F9F5

CSS

:root {
  --glacial-drift: #c8f9f5;
  --glacial-drift-rgb: 200 249 245;
  --glacial-drift-oklch: oklch(0.947 0.05 190.2);
}

.element {
  color: var(--glacial-drift);
  background-color: hsl(175 80% 88%);
  border-color: oklch(0.947 0.05 190.2);
}

Tailwind CSS v4

@theme {
  --color-glacial-drift: #c8f9f5;
  --color-glacial-drift-50: #e6faf9;
  --color-glacial-drift-100: #d6eeec;
  --color-glacial-drift-200: #bddbda;
  --color-glacial-drift-300: #9bc0be;
  --color-glacial-drift-400: #7ca8a5;
  --color-glacial-drift-500: #5e918e;
  --color-glacial-drift-600: #507b78;
  --color-glacial-drift-700: #406260;
  --color-glacial-drift-800: #2e4846;
  --color-glacial-drift-900: #1f3230;
  --color-glacial-drift-950: #0e1e1c;
}

SCSS

$glacial-drift: #c8f9f5;
$glacial-drift-rgb: 200, 249, 245;
$glacial-drift-light: mix(#fff, $glacial-drift, 20%);
$glacial-drift-dark: mix(#000, $glacial-drift, 20%);

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