#AC9597

CSS

:root {
  --sphinx: #ac9597;
  --sphinx-rgb: 172 149 151;
  --sphinx-oklch: oklch(0.691 0.028 11.9);
}

.element {
  color: var(--sphinx);
  background-color: hsl(355 12% 63%);
  border-color: oklch(0.691 0.028 11.9);
}

Tailwind CSS v4

@theme {
  --color-sphinx: #ac9597;
  --color-sphinx-50: #fdf2f3;
  --color-sphinx-100: #f1e4e5;
  --color-sphinx-200: #e0d0d1;
  --color-sphinx-300: #c5b2b3;
  --color-sphinx-400: #ae989a;
  --color-sphinx-500: #987f81;
  --color-sphinx-600: #806c6d;
  --color-sphinx-700: #675657;
  --color-sphinx-800: #4b3f40;
  --color-sphinx-900: #342b2c;
  --color-sphinx-950: #201819;
}

SCSS

$sphinx: #ac9597;
$sphinx-rgb: 172, 149, 151;
$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);
}