Pale Pastel

CSS

:root {
  --pale-pastel: #9adedb;
  --pale-pastel-rgb: 154 222 219;
  --pale-pastel-oklch: oklch(0.855 0.068 192.5);
}

.element {
  color: var(--pale-pastel);
  background-color: hsl(177 51% 74%);
  border-color: oklch(0.855 0.068 192.5);
}

Tailwind CSS v4

@theme {
  --color-pale-pastel: #9adedb;
  --color-pale-pastel-50: #e0fcfb;
  --color-pale-pastel-100: #cff0ef;
  --color-pale-pastel-200: #b3dedd;
  --color-pale-pastel-300: #8ec3c2;
  --color-pale-pastel-400: #6daca9;
  --color-pale-pastel-500: #499592;
  --color-pale-pastel-600: #3f7e7c;
  --color-pale-pastel-700: #326563;
  --color-pale-pastel-800: #234a48;
  --color-pale-pastel-900: #173332;
  --color-pale-pastel-950: #081f1e;
}

SCSS

$pale-pastel: #9adedb;
$pale-pastel-rgb: 154, 222, 219;
$pale-pastel-light: mix(#fff, $pale-pastel, 20%);
$pale-pastel-dark: mix(#000, $pale-pastel, 20%);

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