#896638

CSS

:root {
  --sneaky-sesame: #896638;
  --sneaky-sesame-rgb: 137 102 56;
  --sneaky-sesame-oklch: oklch(0.536 0.077 72.4);
}

.element {
  color: var(--sneaky-sesame);
  background-color: hsl(34 42% 38%);
  border-color: oklch(0.536 0.077 72.4);
}

Tailwind CSS v4

@theme {
  --color-sneaky-sesame: #896638;
  --color-sneaky-sesame-50: #fff3dd;
  --color-sneaky-sesame-100: #f8e5cc;
  --color-sneaky-sesame-200: #e8d0b0;
  --color-sneaky-sesame-300: #cfb28c;
  --color-sneaky-sesame-400: #bb976b;
  --color-sneaky-sesame-500: #a67e4a;
  --color-sneaky-sesame-600: #8c6b3f;
  --color-sneaky-sesame-700: #705532;
  --color-sneaky-sesame-800: #533e24;
  --color-sneaky-sesame-900: #3a2a18;
  --color-sneaky-sesame-950: #241809;
}

SCSS

$sneaky-sesame: #896638;
$sneaky-sesame-rgb: 137, 102, 56;
$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);
}