#9D5C29

CSS

:root {
  --chilli-con-carne: #9d5c29;
  --chilli-con-carne-rgb: 157 92 41;
  --chilli-con-carne-oklch: oklch(0.539 0.107 55.8);
}

.element {
  color: var(--chilli-con-carne);
  background-color: hsl(26 59% 39%);
  border-color: oklch(0.539 0.107 55.8);
}

Tailwind CSS v4

@theme {
  --color-chilli-con-carne: #9d5c29;
  --color-chilli-con-carne-50: #ffeed8;
  --color-chilli-con-carne-100: #ffe0c6;
  --color-chilli-con-carne-200: #f8caa8;
  --color-chilli-con-carne-300: #e2aa81;
  --color-chilli-con-carne-400: #cf8d5e;
  --color-chilli-con-carne-500: #bb7139;
  --color-chilli-con-carne-600: #9e6031;
  --color-chilli-con-carne-700: #7f4d27;
  --color-chilli-con-carne-800: #5f371c;
  --color-chilli-con-carne-900: #422612;
  --color-chilli-con-carne-950: #2b1405;
}

SCSS

$chilli-con-carne: #9d5c29;
$chilli-con-carne-rgb: 157, 92, 41;
$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);
}