#AC9599

CSS

:root {
  --sphinx: #ac9599;
  --sphinx-rgb: 172 149 153;
  --sphinx-oklch: oklch(0.692 0.028 6);
}

.element {
  color: var(--sphinx);
  background-color: hsl(350 12% 63%);
  border-color: oklch(0.692 0.028 6);
}

Tailwind CSS v4

@theme {
  --color-sphinx: #ac9599;
  --color-sphinx-50: #fdf2f3;
  --color-sphinx-100: #f1e4e6;
  --color-sphinx-200: #e0d0d2;
  --color-sphinx-300: #c5b2b4;
  --color-sphinx-400: #ae989c;
  --color-sphinx-500: #977f83;
  --color-sphinx-600: #806b6f;
  --color-sphinx-700: #665659;
  --color-sphinx-800: #4b3e41;
  --color-sphinx-900: #342b2d;
  --color-sphinx-950: #20181a;
}

SCSS

$sphinx: #ac9599;
$sphinx-rgb: 172, 149, 153;
$sphinx-light: mix(#fff, $sphinx, 20%);
$sphinx-dark: mix(#000, $sphinx, 20%);

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