Muddy River

CSS

:root {
  --muddy-river: #715d3d;
  --muddy-river-rgb: 113 93 61;
  --muddy-river-oklch: oklch(0.49 0.053 78.8);
}

.element {
  color: var(--muddy-river);
  background-color: hsl(37 30% 34%);
  border-color: oklch(0.49 0.053 78.8);
}

Tailwind CSS v4

@theme {
  --color-muddy-river: #715d3d;
  --color-muddy-river-50: #fdf4e4;
  --color-muddy-river-100: #f1e6d4;
  --color-muddy-river-200: #e0d2bb;
  --color-muddy-river-300: #c6b599;
  --color-muddy-river-400: #b09b7b;
  --color-muddy-river-500: #9a825e;
  --color-muddy-river-600: #826e50;
  --color-muddy-river-700: #68583f;
  --color-muddy-river-800: #4d402d;
  --color-muddy-river-900: #362c1f;
  --color-muddy-river-950: #21190e;
}

SCSS

$muddy-river: #715d3d;
$muddy-river-rgb: 113, 93, 61;
$muddy-river-light: mix(#fff, $muddy-river, 20%);
$muddy-river-dark: mix(#000, $muddy-river, 20%);

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