#CCFCF4

CSS

:root {
  --glacial-drift: #ccfcf4;
  --glacial-drift-rgb: 204 252 244;
  --glacial-drift-oklch: oklch(0.956 0.05 184);
}

.element {
  color: var(--glacial-drift);
  background-color: hsl(170 89% 89%);
  border-color: oklch(0.956 0.05 184);
}

Tailwind CSS v4

@theme {
  --color-glacial-drift: #ccfcf4;
  --color-glacial-drift-50: #e6faf7;
  --color-glacial-drift-100: #d6eeea;
  --color-glacial-drift-200: #bddcd7;
  --color-glacial-drift-300: #9bc0bb;
  --color-glacial-drift-400: #7da9a2;
  --color-glacial-drift-500: #5f918a;
  --color-glacial-drift-600: #517b75;
  --color-glacial-drift-700: #41625d;
  --color-glacial-drift-800: #2e4844;
  --color-glacial-drift-900: #1f322f;
  --color-glacial-drift-950: #0f1e1b;
}

SCSS

$glacial-drift: #ccfcf4;
$glacial-drift-rgb: 204, 252, 244;
$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);
}