#8E5B31

CSS

:root {
  --chilli-con-carne: #8e5b31;
  --chilli-con-carne-rgb: 142 91 49;
  --chilli-con-carne-oklch: oklch(0.519 0.088 58.5);
}

.element {
  color: var(--chilli-con-carne);
  background-color: hsl(27 49% 37%);
  border-color: oklch(0.519 0.088 58.5);
}

Tailwind CSS v4

@theme {
  --color-chilli-con-carne: #8e5b31;
  --color-chilli-con-carne-50: #fff0dc;
  --color-chilli-con-carne-100: #ffe2cb;
  --color-chilli-con-carne-200: #f1ccaf;
  --color-chilli-con-carne-300: #d9ad8a;
  --color-chilli-con-carne-400: #c69269;
  --color-chilli-con-carne-500: #b27748;
  --color-chilli-con-carne-600: #96653e;
  --color-chilli-con-carne-700: #785131;
  --color-chilli-con-carne-800: #5a3a23;
  --color-chilli-con-carne-900: #3f2817;
  --color-chilli-con-carne-950: #281608;
}

SCSS

$chilli-con-carne: #8e5b31;
$chilli-con-carne-rgb: 142, 91, 49;
$chilli-con-carne-light: mix(#fff, $chilli-con-carne, 20%);
$chilli-con-carne-dark: mix(#000, $chilli-con-carne, 20%);

.element {
  color: $chilli-con-carne;
  box-shadow: 0 0 0 2px rgba($chilli-con-carne, 0.35);
}