#B09497

CSS

:root {
  --sphinx: #b09497;
  --sphinx-rgb: 176 148 151;
  --sphinx-oklch: oklch(0.693 0.034 10.7);
}

.element {
  color: var(--sphinx);
  background-color: hsl(354 15% 64%);
  border-color: oklch(0.693 0.034 10.7);
}

Tailwind CSS v4

@theme {
  --color-sphinx: #b09497;
  --color-sphinx-50: #fff1f2;
  --color-sphinx-100: #f3e4e5;
  --color-sphinx-200: #e2cfd0;
  --color-sphinx-300: #c8b1b2;
  --color-sphinx-400: #b19799;
  --color-sphinx-500: #9b7d81;
  --color-sphinx-600: #836a6d;
  --color-sphinx-700: #695557;
  --color-sphinx-800: #4d3e40;
  --color-sphinx-900: #362a2c;
  --color-sphinx-950: #211819;
}

SCSS

$sphinx: #b09497;
$sphinx-rgb: 176, 148, 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);
}