#EC66DA

CSS

:root {
  --death-of-a-star: #ec66da;
  --death-of-a-star-rgb: 236 102 218;
  --death-of-a-star-oklch: oklch(0.714 0.211 333);
}

.element {
  color: var(--death-of-a-star);
  background-color: hsl(308 78% 66%);
  border-color: oklch(0.714 0.211 333);
}

Tailwind CSS v4

@theme {
  --color-death-of-a-star: #ec66da;
  --color-death-of-a-star-50: #ffdfff;
  --color-death-of-a-star-100: #ffcdff;
  --color-death-of-a-star-200: #ffb1f8;
  --color-death-of-a-star-300: #f88ae2;
  --color-death-of-a-star-400: #e466d3;
  --color-death-of-a-star-500: #d13ac0;
  --color-death-of-a-star-600: #b134a2;
  --color-death-of-a-star-700: #8e2982;
  --color-death-of-a-star-800: #691d63;
  --color-death-of-a-star-900: #4a1345;
  --color-death-of-a-star-950: #30042d;
}

SCSS

$death-of-a-star: #ec66da;
$death-of-a-star-rgb: 236, 102, 218;
$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);
}