#AD968E

CSS

:root {
  --cortex: #ad968e;
  --cortex-rgb: 173 150 142;
  --cortex-oklch: oklch(0.691 0.03 40.1);
}

.element {
  color: var(--cortex);
  background-color: hsl(15 16% 62%);
  border-color: oklch(0.691 0.03 40.1);
}

Tailwind CSS v4

@theme {
  --color-cortex: #ad968e;
  --color-cortex-50: #fdf3ef;
  --color-cortex-100: #f1e5e0;
  --color-cortex-200: #e0d0ca;
  --color-cortex-300: #c6b3ac;
  --color-cortex-400: #af9991;
  --color-cortex-500: #988077;
  --color-cortex-600: #816c65;
  --color-cortex-700: #675751;
  --color-cortex-800: #4c3f3b;
  --color-cortex-900: #352b28;
  --color-cortex-950: #201916;
}

SCSS

$cortex: #ad968e;
$cortex-rgb: 173, 150, 142;
$cortex-light: mix(#fff, $cortex, 20%);
$cortex-dark: mix(#000, $cortex, 20%);

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