#976967

CSS

:root {
  --rustling-leaves: #976967;
  --rustling-leaves-rgb: 151 105 103;
  --rustling-leaves-oklch: oklch(0.568 0.06 21.9);
}

.element {
  color: var(--rustling-leaves);
  background-color: hsl(2 19% 50%);
  border-color: oklch(0.568 0.06 21.9);
}

Tailwind CSS v4

@theme {
  --color-rustling-leaves: #976967;
  --color-rustling-leaves-50: #ffefed;
  --color-rustling-leaves-100: #fbe1de;
  --color-rustling-leaves-200: #edcbc8;
  --color-rustling-leaves-300: #d4aca9;
  --color-rustling-leaves-400: #bf918f;
  --color-rustling-leaves-500: #aa7774;
  --color-rustling-leaves-600: #906563;
  --color-rustling-leaves-700: #73504f;
  --color-rustling-leaves-800: #553a3a;
  --color-rustling-leaves-900: #3c2828;
  --color-rustling-leaves-950: #251616;
}

SCSS

$rustling-leaves: #976967;
$rustling-leaves-rgb: 151, 105, 103;
$rustling-leaves-light: mix(#fff, $rustling-leaves, 20%);
$rustling-leaves-dark: mix(#000, $rustling-leaves, 20%);

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