#8B6C4A

CSS

:root {
  --sneaky-sesame: #8b6c4a;
  --sneaky-sesame-rgb: 139 108 74;
  --sneaky-sesame-oklch: oklch(0.554 0.062 68.5);
}

.element {
  color: var(--sneaky-sesame);
  background-color: hsl(31 31% 42%);
  border-color: oklch(0.554 0.062 68.5);
}

Tailwind CSS v4

@theme {
  --color-sneaky-sesame: #8b6c4a;
  --color-sneaky-sesame-50: #fff3e2;
  --color-sneaky-sesame-100: #f6e5d2;
  --color-sneaky-sesame-200: #e6d0b8;
  --color-sneaky-sesame-300: #ccb395;
  --color-sneaky-sesame-400: #b79877;
  --color-sneaky-sesame-500: #a27f58;
  --color-sneaky-sesame-600: #896b4b;
  --color-sneaky-sesame-700: #6e563c;
  --color-sneaky-sesame-800: #513e2b;
  --color-sneaky-sesame-900: #392b1d;
  --color-sneaky-sesame-950: #23180d;
}

SCSS

$sneaky-sesame: #8b6c4a;
$sneaky-sesame-rgb: 139, 108, 74;
$sneaky-sesame-light: mix(#fff, $sneaky-sesame, 20%);
$sneaky-sesame-dark: mix(#000, $sneaky-sesame, 20%);

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