#876E00

CSS

:root {
  --muddy-brown: #876e00;
  --muddy-brown-rgb: 135 110 0;
  --muddy-brown-oklch: oklch(0.547 0.112 93.1);
}

.element {
  color: var(--muddy-brown);
  background-color: hsl(49 100% 26%);
  border-color: oklch(0.547 0.112 93.1);
}

Tailwind CSS v4

@theme {
  --color-muddy-brown: #876e00;
  --color-muddy-brown-50: #fff6d2;
  --color-muddy-brown-100: #f3e8be;
  --color-muddy-brown-200: #e3d49e;
  --color-muddy-brown-300: #c9b774;
  --color-muddy-brown-400: #b59d4a;
  --color-muddy-brown-500: #a08310;
  --color-muddy-brown-600: #876f13;
  --color-muddy-brown-700: #6c5910;
  --color-muddy-brown-800: #514008;
  --color-muddy-brown-900: #382c06;
  --color-muddy-brown-950: #231900;
}

SCSS

$muddy-brown: #876e00;
$muddy-brown-rgb: 135, 110, 0;
$muddy-brown-light: mix(#fff, $muddy-brown, 20%);
$muddy-brown-dark: mix(#000, $muddy-brown, 20%);

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