#976A79

CSS

:root {
  --never-forget: #976a79;
  --never-forget-rgb: 151 106 121;
  --never-forget-oklch: oklch(0.575 0.061 357.5);
}

.element {
  color: var(--never-forget);
  background-color: hsl(340 18% 50%);
  border-color: oklch(0.575 0.061 357.5);
}

Tailwind CSS v4

@theme {
  --color-never-forget: #976a79;
  --color-never-forget-50: #ffeef4;
  --color-never-forget-100: #fae0e7;
  --color-never-forget-200: #eccad3;
  --color-never-forget-300: #d3abb6;
  --color-never-forget-400: #bd909e;
  --color-never-forget-500: #a87586;
  --color-never-forget-600: #8e6472;
  --color-never-forget-700: #724f5b;
  --color-never-forget-800: #543a43;
  --color-never-forget-900: #3a272e;
  --color-never-forget-950: #24161b;
}

SCSS

$never-forget: #976a79;
$never-forget-rgb: 151, 106, 121;
$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);
}