#EF64D8

CSS

:root {
  --death-of-a-star: #ef64d8;
  --death-of-a-star-rgb: 239 100 216;
  --death-of-a-star-oklch: oklch(0.715 0.215 334.5);
}

.element {
  color: var(--death-of-a-star);
  background-color: hsl(310 81% 66%);
  border-color: oklch(0.715 0.215 334.5);
}

Tailwind CSS v4

@theme {
  --color-death-of-a-star: #ef64d8;
  --color-death-of-a-star-50: #ffdeff;
  --color-death-of-a-star-100: #ffcdff;
  --color-death-of-a-star-200: #ffb0f6;
  --color-death-of-a-star-300: #fa89e0;
  --color-death-of-a-star-400: #e764d1;
  --color-death-of-a-star-500: #d437be;
  --color-death-of-a-star-600: #b331a0;
  --color-death-of-a-star-700: #902781;
  --color-death-of-a-star-800: #6a1b62;
  --color-death-of-a-star-900: #4b1245;
  --color-death-of-a-star-950: #31032c;
}

SCSS

$death-of-a-star: #ef64d8;
$death-of-a-star-rgb: 239, 100, 216;
$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);
}