#9A6978

CSS

:root {
  --never-forget: #9a6978;
  --never-forget-rgb: 154 105 120;
  --never-forget-oklch: oklch(0.577 0.066 359.4);
}

.element {
  color: var(--never-forget);
  background-color: hsl(342 20% 51%);
  border-color: oklch(0.577 0.066 359.4);
}

Tailwind CSS v4

@theme {
  --color-never-forget: #9a6978;
  --color-never-forget-50: #ffeef4;
  --color-never-forget-100: #fcdfe6;
  --color-never-forget-200: #eec9d2;
  --color-never-forget-300: #d5aab5;
  --color-never-forget-400: #c08f9d;
  --color-never-forget-500: #ab7485;
  --color-never-forget-600: #906270;
  --color-never-forget-700: #744e5a;
  --color-never-forget-800: #553942;
  --color-never-forget-900: #3c272e;
  --color-never-forget-950: #25151b;
}

SCSS

$never-forget: #9a6978;
$never-forget-rgb: 154, 105, 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);
}