#9A6863

CSS

:root {
  --rustling-leaves: #9a6863;
  --rustling-leaves-rgb: 154 104 99;
  --rustling-leaves-oklch: oklch(0.569 0.065 25.6);
}

.element {
  color: var(--rustling-leaves);
  background-color: hsl(5 22% 50%);
  border-color: oklch(0.569 0.065 25.6);
}

Tailwind CSS v4

@theme {
  --color-rustling-leaves: #9a6863;
  --color-rustling-leaves-50: #ffefeb;
  --color-rustling-leaves-100: #fde0dc;
  --color-rustling-leaves-200: #efcac5;
  --color-rustling-leaves-300: #d7aba5;
  --color-rustling-leaves-400: #c2908b;
  --color-rustling-leaves-500: #ae7570;
  --color-rustling-leaves-600: #93635f;
  --color-rustling-leaves-700: #764f4c;
  --color-rustling-leaves-800: #573937;
  --color-rustling-leaves-900: #3d2726;
  --color-rustling-leaves-950: #261514;
}

SCSS

$rustling-leaves: #9a6863;
$rustling-leaves-rgb: 154, 104, 99;
$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);
}