#9F6564

CSS

:root {
  --rustling-leaves: #9f6564;
  --rustling-leaves-rgb: 159 101 100;
  --rustling-leaves-oklch: oklch(0.569 0.075 20.8);
}

.element {
  color: var(--rustling-leaves);
  background-color: hsl(1 24% 51%);
  border-color: oklch(0.569 0.075 20.8);
}

Tailwind CSS v4

@theme {
  --color-rustling-leaves: #9f6564;
  --color-rustling-leaves-50: #ffedeb;
  --color-rustling-leaves-100: #ffdfdc;
  --color-rustling-leaves-200: #f3c8c5;
  --color-rustling-leaves-300: #dca9a6;
  --color-rustling-leaves-400: #c78d8b;
  --color-rustling-leaves-500: #b37271;
  --color-rustling-leaves-600: #976060;
  --color-rustling-leaves-700: #794d4c;
  --color-rustling-leaves-800: #5a3838;
  --color-rustling-leaves-900: #3f2626;
  --color-rustling-leaves-950: #281415;
}

SCSS

$rustling-leaves: #9f6564;
$rustling-leaves-rgb: 159, 101, 100;
$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);
}