#A06865

CSS

:root {
  --rustling-leaves: #a06865;
  --rustling-leaves-rgb: 160 104 101;
  --rustling-leaves-oklch: oklch(0.576 0.073 22.9);
}

.element {
  color: var(--rustling-leaves);
  background-color: hsl(3 24% 51%);
  border-color: oklch(0.576 0.073 22.9);
}

Tailwind CSS v4

@theme {
  --color-rustling-leaves: #a06865;
  --color-rustling-leaves-50: #ffeeeb;
  --color-rustling-leaves-100: #ffdfdc;
  --color-rustling-leaves-200: #f2c9c5;
  --color-rustling-leaves-300: #daaaa5;
  --color-rustling-leaves-400: #c68e8a;
  --color-rustling-leaves-500: #b1736f;
  --color-rustling-leaves-600: #96615f;
  --color-rustling-leaves-700: #784e4b;
  --color-rustling-leaves-800: #593837;
  --color-rustling-leaves-900: #3e2626;
  --color-rustling-leaves-950: #271514;
}

SCSS

$rustling-leaves: #a06865;
$rustling-leaves-rgb: 160, 104, 101;
$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);
}