#966A78

CSS

:root {
  --never-forget: #966a78;
  --never-forget-rgb: 150 106 120;
  --never-forget-oklch: oklch(0.574 0.059 358.4);
}

.element {
  color: var(--never-forget);
  background-color: hsl(341 17% 50%);
  border-color: oklch(0.574 0.059 358.4);
}

Tailwind CSS v4

@theme {
  --color-never-forget: #966a78;
  --color-never-forget-50: #ffeff4;
  --color-never-forget-100: #fae0e7;
  --color-never-forget-200: #ebcad3;
  --color-never-forget-300: #d2abb6;
  --color-never-forget-400: #bd909e;
  --color-never-forget-500: #a77686;
  --color-never-forget-600: #8d6471;
  --color-never-forget-700: #71505a;
  --color-never-forget-800: #533a43;
  --color-never-forget-900: #3a282e;
  --color-never-forget-950: #24161b;
}

SCSS

$never-forget: #966a78;
$never-forget-rgb: 150, 106, 120;
$never-forget-light: mix(#fff, $never-forget, 20%);
$never-forget-dark: mix(#000, $never-forget, 20%);

.element {
  color: $never-forget;
  box-shadow: 0 0 0 2px rgba($never-forget, 0.35);
}