#9A5B57

CSS

:root {
  --cheek-red: #9a5b57;
  --cheek-red-rgb: 154 91 87;
  --cheek-red-oklch: oklch(0.541 0.084 24.1);
}

.element {
  color: var(--cheek-red);
  background-color: hsl(4 28% 47%);
  border-color: oklch(0.541 0.084 24.1);
}

Tailwind CSS v4

@theme {
  --color-cheek-red: #9a5b57;
  --color-cheek-red-50: #ffede9;
  --color-cheek-red-100: #ffded9;
  --color-cheek-red-200: #f6c7c2;
  --color-cheek-red-300: #dfa7a1;
  --color-cheek-red-400: #cb8b86;
  --color-cheek-red-500: #b76f6b;
  --color-cheek-red-600: #9b5f5b;
  --color-cheek-red-700: #7c4c48;
  --color-cheek-red-800: #5c3635;
  --color-cheek-red-900: #412524;
  --color-cheek-red-950: #291413;
}

SCSS

$cheek-red: #9a5b57;
$cheek-red-rgb: 154, 91, 87;
$cheek-red-light: mix(#fff, $cheek-red, 20%);
$cheek-red-dark: mix(#000, $cheek-red, 20%);

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