#BB5C0E

CSS

:root {
  --polished-copper: #bb5c0e;
  --polished-copper-rgb: 187 92 14;
  --polished-copper-oklch: oklch(0.58 0.145 51.6);
}

.element {
  color: var(--polished-copper);
  background-color: hsl(27 86% 39%);
  border-color: oklch(0.58 0.145 51.6);
}

Tailwind CSS v4

@theme {
  --color-polished-copper: #bb5c0e;
  --color-polished-copper-50: #ffebcf;
  --color-polished-copper-100: #ffdcbb;
  --color-polished-copper-200: #ffc49a;
  --color-polished-copper-300: #f1a26e;
  --color-polished-copper-400: #e18346;
  --color-polished-copper-500: #ce6402;
  --color-polished-copper-600: #ae550c;
  --color-polished-copper-700: #8c440b;
  --color-polished-copper-800: #693008;
  --color-polished-copper-900: #4a2106;
  --color-polished-copper-950: #300f00;
}

SCSS

$polished-copper: #bb5c0e;
$polished-copper-rgb: 187, 92, 14;
$polished-copper-light: mix(#fff, $polished-copper, 20%);
$polished-copper-dark: mix(#000, $polished-copper, 20%);

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