#A66B00

CSS

:root {
  --cookie-dough: #a66b00;
  --cookie-dough-rgb: 166 107 0;
  --cookie-dough-oklch: oklch(0.577 0.124 71.6);
}

.element {
  color: var(--cookie-dough);
  background-color: hsl(39 100% 33%);
  border-color: oklch(0.577 0.124 71.6);
}

Tailwind CSS v4

@theme {
  --color-cookie-dough: #a66b00;
  --color-cookie-dough-50: #fff1cf;
  --color-cookie-dough-100: #ffe2bb;
  --color-cookie-dough-200: #f5cd99;
  --color-cookie-dough-300: #deae6e;
  --color-cookie-dough-400: #cc9143;
  --color-cookie-dough-500: #b87600;
  --color-cookie-dough-600: #9b6401;
  --color-cookie-dough-700: #7d5004;
  --color-cookie-dough-800: #5d3903;
  --color-cookie-dough-900: #412703;
  --color-cookie-dough-950: #2a1500;
}

SCSS

$cookie-dough: #a66b00;
$cookie-dough-rgb: 166, 107, 0;
$cookie-dough-light: mix(#fff, $cookie-dough, 20%);
$cookie-dough-dark: mix(#000, $cookie-dough, 20%);

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