#9A5E1D

CSS

:root {
  --chilli-con-carne: #9a5e1d;
  --chilli-con-carne-rgb: 154 94 29;
  --chilli-con-carne-oklch: oklch(0.538 0.109 62.9);
}

.element {
  color: var(--chilli-con-carne);
  background-color: hsl(31 68% 36%);
  border-color: oklch(0.538 0.109 62.9);
}

Tailwind CSS v4

@theme {
  --color-chilli-con-carne: #9a5e1d;
  --color-chilli-con-carne-50: #ffefd5;
  --color-chilli-con-carne-100: #ffe1c2;
  --color-chilli-con-carne-200: #f6cba3;
  --color-chilli-con-carne-300: #dfac7b;
  --color-chilli-con-carne-400: #cc9057;
  --color-chilli-con-carne-500: #b8742d;
  --color-chilli-con-carne-600: #9c6328;
  --color-chilli-con-carne-700: #7d4f20;
  --color-chilli-con-carne-800: #5d3916;
  --color-chilli-con-carne-900: #41270e;
  --color-chilli-con-carne-950: #2a1502;
}

SCSS

$chilli-con-carne: #9a5e1d;
$chilli-con-carne-rgb: 154, 94, 29;
$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);
}