#86673B

CSS

:root {
  --sneaky-sesame: #86673b;
  --sneaky-sesame-rgb: 134 103 59;
  --sneaky-sesame-oklch: oklch(0.535 0.073 74.9);
}

.element {
  color: var(--sneaky-sesame);
  background-color: hsl(35 39% 38%);
  border-color: oklch(0.535 0.073 74.9);
}

Tailwind CSS v4

@theme {
  --color-sneaky-sesame: #86673b;
  --color-sneaky-sesame-50: #fff3df;
  --color-sneaky-sesame-100: #f6e5ce;
  --color-sneaky-sesame-200: #e6d1b2;
  --color-sneaky-sesame-300: #cdb38e;
  --color-sneaky-sesame-400: #b8996e;
  --color-sneaky-sesame-500: #a37f4e;
  --color-sneaky-sesame-600: #896c42;
  --color-sneaky-sesame-700: #6e5635;
  --color-sneaky-sesame-800: #523e25;
  --color-sneaky-sesame-900: #392b19;
  --color-sneaky-sesame-950: #23180a;
}

SCSS

$sneaky-sesame: #86673b;
$sneaky-sesame-rgb: 134, 103, 59;
$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);
}