#EF63DC

CSS

:root {
  --death-of-a-star: #ef63dc;
  --death-of-a-star-rgb: 239 99 220;
  --death-of-a-star-oklch: oklch(0.715 0.219 333.2);
}

.element {
  color: var(--death-of-a-star);
  background-color: hsl(308 81% 66%);
  border-color: oklch(0.715 0.219 333.2);
}

Tailwind CSS v4

@theme {
  --color-death-of-a-star: #ef63dc;
  --color-death-of-a-star-50: #ffdeff;
  --color-death-of-a-star-100: #ffccff;
  --color-death-of-a-star-200: #ffaff9;
  --color-death-of-a-star-300: #fa88e3;
  --color-death-of-a-star-400: #e663d4;
  --color-death-of-a-star-500: #d434c2;
  --color-death-of-a-star-600: #b32fa4;
  --color-death-of-a-star-700: #902683;
  --color-death-of-a-star-800: #6a1a64;
  --color-death-of-a-star-900: #4b1146;
  --color-death-of-a-star-950: #31032e;
}

SCSS

$death-of-a-star: #ef63dc;
$death-of-a-star-rgb: 239, 99, 220;
$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);
}