#86663F

CSS

:root {
  --sneaky-sesame: #86663f;
  --sneaky-sesame-rgb: 134 102 63;
  --sneaky-sesame-oklch: oklch(0.533 0.068 71);
}

.element {
  color: var(--sneaky-sesame);
  background-color: hsl(33 36% 39%);
  border-color: oklch(0.533 0.068 71);
}

Tailwind CSS v4

@theme {
  --color-sneaky-sesame: #86663f;
  --color-sneaky-sesame-50: #fff3e0;
  --color-sneaky-sesame-100: #f6e5d0;
  --color-sneaky-sesame-200: #e7d0b5;
  --color-sneaky-sesame-300: #cdb391;
  --color-sneaky-sesame-400: #b89872;
  --color-sneaky-sesame-500: #a37f52;
  --color-sneaky-sesame-600: #8a6b46;
  --color-sneaky-sesame-700: #6e5638;
  --color-sneaky-sesame-800: #523e28;
  --color-sneaky-sesame-900: #392b1b;
  --color-sneaky-sesame-950: #23180b;
}

SCSS

$sneaky-sesame: #86663f;
$sneaky-sesame-rgb: 134, 102, 63;
$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);
}