#905332

CSS

:root {
  --hello-fall: #905332;
  --hello-fall-rgb: 144 83 50;
  --hello-fall-oklch: oklch(0.506 0.094 48.1);
}

.element {
  color: var(--hello-fall);
  background-color: hsl(21 48% 38%);
  border-color: oklch(0.506 0.094 48.1);
}

Tailwind CSS v4

@theme {
  --color-hello-fall: #905332;
  --color-hello-fall-50: #ffeede;
  --color-hello-fall-100: #ffe0cd;
  --color-hello-fall-200: #f6c9b1;
  --color-hello-fall-300: #dfaa8c;
  --color-hello-fall-400: #cc8d6d;
  --color-hello-fall-500: #b9724d;
  --color-hello-fall-600: #9c6142;
  --color-hello-fall-700: #7d4d34;
  --color-hello-fall-800: #5d3825;
  --color-hello-fall-900: #412619;
  --color-hello-fall-950: #2a140a;
}

SCSS

$hello-fall: #905332;
$hello-fall-rgb: 144, 83, 50;
$hello-fall-light: mix(#fff, $hello-fall, 20%);
$hello-fall-dark: mix(#000, $hello-fall, 20%);

.element {
  color: $hello-fall;
  box-shadow: 0 0 0 2px rgba($hello-fall, 0.35);
}