#BC522B

CSS

:root {
  --red-panda: #bc522b;
  --red-panda-rgb: 188 82 43;
  --red-panda-oklch: oklch(0.568 0.147 39.7);
}

.element {
  color: var(--red-panda);
  background-color: hsl(16 63% 45%);
  border-color: oklch(0.568 0.147 39.7);
}

Tailwind CSS v4

@theme {
  --color-red-panda: #bc522b;
  --color-red-panda-50: #ffe8d5;
  --color-red-panda-100: #ffd9c2;
  --color-red-panda-200: #ffc0a3;
  --color-red-panda-300: #f79d7b;
  --color-red-panda-400: #e67d59;
  --color-red-panda-500: #d45d31;
  --color-red-panda-600: #b34f2b;
  --color-red-panda-700: #903f22;
  --color-red-panda-800: #6b2c19;
  --color-red-panda-900: #4c1e10;
  --color-red-panda-950: #320d03;
}

SCSS

$red-panda: #bc522b;
$red-panda-rgb: 188, 82, 43;
$red-panda-light: mix(#fff, $red-panda, 20%);
$red-panda-dark: mix(#000, $red-panda, 20%);

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