#966031

CSS

:root {
  --chilli-con-carne: #966031;
  --chilli-con-carne-rgb: 150 96 49;
  --chilli-con-carne-oklch: oklch(0.539 0.094 59.7);
}

.element {
  color: var(--chilli-con-carne);
  background-color: hsl(28 51% 39%);
  border-color: oklch(0.539 0.094 59.7);
}

Tailwind CSS v4

@theme {
  --color-chilli-con-carne: #966031;
  --color-chilli-con-carne-50: #fff0da;
  --color-chilli-con-carne-100: #ffe2c9;
  --color-chilli-con-carne-200: #f2ccac;
  --color-chilli-con-carne-300: #dbad86;
  --color-chilli-con-carne-400: #c89165;
  --color-chilli-con-carne-500: #b47641;
  --color-chilli-con-carne-600: #986438;
  --color-chilli-con-carne-700: #7a502d;
  --color-chilli-con-carne-800: #5b3a20;
  --color-chilli-con-carne-900: #3f2815;
  --color-chilli-con-carne-950: #281506;
}

SCSS

$chilli-con-carne: #966031;
$chilli-con-carne-rgb: 150, 96, 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);
}