#ED66D9

CSS

:root {
  --death-of-a-star: #ed66d9;
  --death-of-a-star-rgb: 237 102 217;
  --death-of-a-star-oklch: oklch(0.715 0.211 333.7);
}

.element {
  color: var(--death-of-a-star);
  background-color: hsl(309 79% 66%);
  border-color: oklch(0.715 0.211 333.7);
}

Tailwind CSS v4

@theme {
  --color-death-of-a-star: #ed66d9;
  --color-death-of-a-star-50: #ffdfff;
  --color-death-of-a-star-100: #ffcdff;
  --color-death-of-a-star-200: #ffb1f7;
  --color-death-of-a-star-300: #f88ae1;
  --color-death-of-a-star-400: #e566d1;
  --color-death-of-a-star-500: #d23abf;
  --color-death-of-a-star-600: #b133a1;
  --color-death-of-a-star-700: #8f2981;
  --color-death-of-a-star-800: #691d62;
  --color-death-of-a-star-900: #4a1345;
  --color-death-of-a-star-950: #30042d;
}

SCSS

$death-of-a-star: #ed66d9;
$death-of-a-star-rgb: 237, 102, 217;
$death-of-a-star-light: mix(#fff, $death-of-a-star, 20%);
$death-of-a-star-dark: mix(#000, $death-of-a-star, 20%);

.element {
  color: $death-of-a-star;
  box-shadow: 0 0 0 2px rgba($death-of-a-star, 0.35);
}