#AC968D

CSS

:root {
  --cortex: #ac968d;
  --cortex-rgb: 172 150 141;
  --cortex-oklch: oklch(0.69 0.029 43.6);
}

.element {
  color: var(--cortex);
  background-color: hsl(17 16% 61%);
  border-color: oklch(0.69 0.029 43.6);
}

Tailwind CSS v4

@theme {
  --color-cortex: #ac968d;
  --color-cortex-50: #fdf3ee;
  --color-cortex-100: #f1e5e0;
  --color-cortex-200: #e0d1ca;
  --color-cortex-300: #c5b3ab;
  --color-cortex-400: #ae9991;
  --color-cortex-500: #988077;
  --color-cortex-600: #806d65;
  --color-cortex-700: #675750;
  --color-cortex-800: #4c3f3b;
  --color-cortex-900: #352c28;
  --color-cortex-950: #201916;
}

SCSS

$cortex: #ac968d;
$cortex-rgb: 172, 150, 141;
$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);
}