#9D5D17

CSS

:root {
  --chilli-con-carne: #9d5d17;
  --chilli-con-carne-rgb: 157 93 23;
  --chilli-con-carne-oklch: oklch(0.54 0.115 62);
}

.element {
  color: var(--chilli-con-carne);
  background-color: hsl(31 74% 35%);
  border-color: oklch(0.54 0.115 62);
}

Tailwind CSS v4

@theme {
  --color-chilli-con-carne: #9d5d17;
  --color-chilli-con-carne-50: #ffefd4;
  --color-chilli-con-carne-100: #ffe1c1;
  --color-chilli-con-carne-200: #f8cba1;
  --color-chilli-con-carne-300: #e1ab78;
  --color-chilli-con-carne-400: #cf8e53;
  --color-chilli-con-carne-500: #bb7227;
  --color-chilli-con-carne-600: #9e6123;
  --color-chilli-con-carne-700: #7f4e1c;
  --color-chilli-con-carne-800: #5f3813;
  --color-chilli-con-carne-900: #42260c;
  --color-chilli-con-carne-950: #2b1401;
}

SCSS

$chilli-con-carne: #9d5d17;
$chilli-con-carne-rgb: 157, 93, 23;
$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);
}