#B59748

CSS

:root {
  --pirate-s-hook: #b59748;
  --pirate-s-hook-rgb: 181 151 72;
  --pirate-s-hook-oklch: oklch(0.688 0.104 88.6);
}

.element {
  color: var(--pirate-s-hook);
  background-color: hsl(43 43% 50%);
  border-color: oklch(0.688 0.104 88.6);
}

Tailwind CSS v4

@theme {
  --color-pirate-s-hook: #b59748;
  --color-pirate-s-hook-50: #fff5d4;
  --color-pirate-s-hook-100: #f5e7c1;
  --color-pirate-s-hook-200: #e5d3a1;
  --color-pirate-s-hook-300: #ccb678;
  --color-pirate-s-hook-400: #b89b51;
  --color-pirate-s-hook-500: #a28222;
  --color-pirate-s-hook-600: #896e20;
  --color-pirate-s-hook-700: #6e5819;
  --color-pirate-s-hook-800: #524010;
  --color-pirate-s-hook-900: #392c0a;
  --color-pirate-s-hook-950: #241900;
}

SCSS

$pirate-s-hook: #b59748;
$pirate-s-hook-rgb: 181, 151, 72;
$pirate-s-hook-light: mix(#fff, $pirate-s-hook, 20%);
$pirate-s-hook-dark: mix(#000, $pirate-s-hook, 20%);

.element {
  color: $pirate-s-hook;
  box-shadow: 0 0 0 2px rgba($pirate-s-hook, 0.35);
}