#9B6A67

CSS

:root {
  --rustling-leaves: #9b6a67;
  --rustling-leaves-rgb: 155 106 103;
  --rustling-leaves-oklch: oklch(0.575 0.064 23.1);
}

.element {
  color: var(--rustling-leaves);
  background-color: hsl(3 21% 51%);
  border-color: oklch(0.575 0.064 23.1);
}

Tailwind CSS v4

@theme {
  --color-rustling-leaves: #9b6a67;
  --color-rustling-leaves-50: #ffefec;
  --color-rustling-leaves-100: #fde0dd;
  --color-rustling-leaves-200: #eecac7;
  --color-rustling-leaves-300: #d6aba7;
  --color-rustling-leaves-400: #c1908d;
  --color-rustling-leaves-500: #ad7672;
  --color-rustling-leaves-600: #926461;
  --color-rustling-leaves-700: #75504d;
  --color-rustling-leaves-800: #563a39;
  --color-rustling-leaves-900: #3c2727;
  --color-rustling-leaves-950: #261615;
}

SCSS

$rustling-leaves: #9b6a67;
$rustling-leaves-rgb: 155, 106, 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);
}