#9F5C14

CSS

:root {
  --chilli-con-carne: #9f5c14;
  --chilli-con-carne-rgb: 159 92 20;
  --chilli-con-carne-oklch: oklch(0.54 0.118 60.8);
}

.element {
  color: var(--chilli-con-carne);
  background-color: hsl(31 78% 35%);
  border-color: oklch(0.54 0.118 60.8);
}

Tailwind CSS v4

@theme {
  --color-chilli-con-carne: #9f5c14;
  --color-chilli-con-carne-50: #ffefd3;
  --color-chilli-con-carne-100: #ffe0c0;
  --color-chilli-con-carne-200: #f9caa0;
  --color-chilli-con-carne-300: #e3aa77;
  --color-chilli-con-carne-400: #d18d52;
  --color-chilli-con-carne-500: #bd7124;
  --color-chilli-con-carne-600: #a06021;
  --color-chilli-con-carne-700: #804d1a;
  --color-chilli-con-carne-800: #603712;
  --color-chilli-con-carne-900: #43260b;
  --color-chilli-con-carne-950: #2b1401;
}

SCSS

$chilli-con-carne: #9f5c14;
$chilli-con-carne-rgb: 159, 92, 20;
$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);
}