#984719

CSS

:root {
  --hot-brown: #984719;
  --hot-brown-rgb: 152 71 25;
  --hot-brown-oklch: oklch(0.494 0.123 46.4);
}

.element {
  color: var(--hot-brown);
  background-color: hsl(22 72% 35%);
  border-color: oklch(0.494 0.123 46.4);
}

Tailwind CSS v4

@theme {
  --color-hot-brown: #984719;
  --color-hot-brown-50: #ffecd7;
  --color-hot-brown-100: #ffddc5;
  --color-hot-brown-200: #ffc5a7;
  --color-hot-brown-300: #eba480;
  --color-hot-brown-400: #da865e;
  --color-hot-brown-500: #c66938;
  --color-hot-brown-600: #a85931;
  --color-hot-brown-700: #874727;
  --color-hot-brown-800: #65331c;
  --color-hot-brown-900: #472312;
  --color-hot-brown-950: #2e1105;
}

SCSS

$hot-brown: #984719;
$hot-brown-rgb: 152, 71, 25;
$hot-brown-light: mix(#fff, $hot-brown, 20%);
$hot-brown-dark: mix(#000, $hot-brown, 20%);

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