#975F2A

CSS

:root {
  --chilli-con-carne: #975f2a;
  --chilli-con-carne-rgb: 151 95 42;
  --chilli-con-carne-oklch: oklch(0.537 0.1 61.2);
}

.element {
  color: var(--chilli-con-carne);
  background-color: hsl(29 56% 38%);
  border-color: oklch(0.537 0.1 61.2);
}

Tailwind CSS v4

@theme {
  --color-chilli-con-carne: #975f2a;
  --color-chilli-con-carne-50: #fff0d8;
  --color-chilli-con-carne-100: #ffe1c6;
  --color-chilli-con-carne-200: #f4cca9;
  --color-chilli-con-carne-300: #dcad82;
  --color-chilli-con-carne-400: #c99160;
  --color-chilli-con-carne-500: #b5753a;
  --color-chilli-con-carne-600: #996433;
  --color-chilli-con-carne-700: #7b5028;
  --color-chilli-con-carne-800: #5c391c;
  --color-chilli-con-carne-900: #402712;
  --color-chilli-con-carne-950: #291505;
}

SCSS

$chilli-con-carne: #975f2a;
$chilli-con-carne-rgb: 151, 95, 42;
$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);
}