#9B5C19

CSS

:root {
  --chilli-con-carne: #9b5c19;
  --chilli-con-carne-rgb: 155 92 25;
  --chilli-con-carne-oklch: oklch(0.535 0.113 61.7);
}

.element {
  color: var(--chilli-con-carne);
  background-color: hsl(31 72% 35%);
  border-color: oklch(0.535 0.113 61.7);
}

Tailwind CSS v4

@theme {
  --color-chilli-con-carne: #9b5c19;
  --color-chilli-con-carne-50: #ffefd5;
  --color-chilli-con-carne-100: #ffe1c2;
  --color-chilli-con-carne-200: #f7cba2;
  --color-chilli-con-carne-300: #e1ab7a;
  --color-chilli-con-carne-400: #ce8f55;
  --color-chilli-con-carne-500: #bb732a;
  --color-chilli-con-carne-600: #9e6126;
  --color-chilli-con-carne-700: #7e4e1e;
  --color-chilli-con-carne-800: #5e3815;
  --color-chilli-con-carne-900: #42260d;
  --color-chilli-con-carne-950: #2a1402;
}

SCSS

$chilli-con-carne: #9b5c19;
$chilli-con-carne-rgb: 155, 92, 25;
$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);
}