#856743

CSS

:root {
  --sneaky-sesame: #856743;
  --sneaky-sesame-rgb: 133 103 67;
  --sneaky-sesame-oklch: oklch(0.535 0.064 70.8);
}

.element {
  color: var(--sneaky-sesame);
  background-color: hsl(33 33% 39%);
  border-color: oklch(0.535 0.064 70.8);
}

Tailwind CSS v4

@theme {
  --color-sneaky-sesame: #856743;
  --color-sneaky-sesame-50: #fff3e2;
  --color-sneaky-sesame-100: #f5e5d1;
  --color-sneaky-sesame-200: #e6d1b7;
  --color-sneaky-sesame-300: #ccb394;
  --color-sneaky-sesame-400: #b79875;
  --color-sneaky-sesame-500: #a17f56;
  --color-sneaky-sesame-600: #886c4a;
  --color-sneaky-sesame-700: #6d563b;
  --color-sneaky-sesame-800: #513e2a;
  --color-sneaky-sesame-900: #382b1c;
  --color-sneaky-sesame-950: #23180c;
}

SCSS

$sneaky-sesame: #856743;
$sneaky-sesame-rgb: 133, 103, 67;
$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);
}