River Oak

CSS

:root {
  --river-oak: #ae9474;
  --river-oak-rgb: 174 148 116;
  --river-oak-oklch: oklch(0.682 0.054 72.5);
}

.element {
  color: var(--river-oak);
  background-color: hsl(33 26% 57%);
  border-color: oklch(0.682 0.054 72.5);
}

Tailwind CSS v4

@theme {
  --color-river-oak: #ae9474;
  --color-river-oak-50: #fff3e4;
  --color-river-oak-100: #f3e6d4;
  --color-river-oak-200: #e2d1bb;
  --color-river-oak-300: #c8b499;
  --color-river-oak-400: #b39a7b;
  --color-river-oak-500: #9d815e;
  --color-river-oak-600: #846d50;
  --color-river-oak-700: #6a5740;
  --color-river-oak-800: #4f3f2e;
  --color-river-oak-900: #372c1f;
  --color-river-oak-950: #22190f;
}

SCSS

$river-oak: #ae9474;
$river-oak-rgb: 174, 148, 116;
$river-oak-light: mix(#fff, $river-oak, 20%);
$river-oak-dark: mix(#000, $river-oak, 20%);

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