#462A28

CSS

:root {
  --brown-coffee: #462a28;
  --brown-coffee-rgb: 70 42 40;
  --brown-coffee-oklch: oklch(0.319 0.042 24.2);
}

.element {
  color: var(--brown-coffee);
  background-color: hsl(4 27% 22%);
  border-color: oklch(0.319 0.042 24.2);
}

Tailwind CSS v4

@theme {
  --color-brown-coffee: #462a28;
  --color-brown-coffee-50: #fff1ef;
  --color-brown-coffee-100: #f6e3e0;
  --color-brown-coffee-200: #e6cecb;
  --color-brown-coffee-300: #ccb0ac;
  --color-brown-coffee-400: #b69592;
  --color-brown-coffee-500: #a17c78;
  --color-brown-coffee-600: #886966;
  --color-brown-coffee-700: #6d5452;
  --color-brown-coffee-800: #503d3c;
  --color-brown-coffee-900: #382a29;
  --color-brown-coffee-950: #221717;
}

SCSS

$brown-coffee: #462a28;
$brown-coffee-rgb: 70, 42, 40;
$brown-coffee-light: mix(#fff, $brown-coffee, 20%);
$brown-coffee-dark: mix(#000, $brown-coffee, 20%);

.element {
  color: $brown-coffee;
  box-shadow: 0 0 0 2px rgba($brown-coffee, 0.35);
}