#866551

CSS

:root {
  --mocha-madness: #866551;
  --mocha-madness-rgb: 134 101 81;
  --mocha-madness-oklch: oklch(0.535 0.052 52.5);
}

.element {
  color: var(--mocha-madness);
  background-color: hsl(23 25% 42%);
  border-color: oklch(0.535 0.052 52.5);
}

Tailwind CSS v4

@theme {
  --color-mocha-madness: #866551;
  --color-mocha-madness-50: #fff2e7;
  --color-mocha-madness-100: #f7e4d8;
  --color-mocha-madness-200: #e7cfc0;
  --color-mocha-madness-300: #cdb19f;
  --color-mocha-madness-400: #b89682;
  --color-mocha-madness-500: #a37d66;
  --color-mocha-madness-600: #896a57;
  --color-mocha-madness-700: #6e5545;
  --color-mocha-madness-800: #513d32;
  --color-mocha-madness-900: #392a22;
  --color-mocha-madness-950: #231811;
}

SCSS

$mocha-madness: #866551;
$mocha-madness-rgb: 134, 101, 81;
$mocha-madness-light: mix(#fff, $mocha-madness, 20%);
$mocha-madness-dark: mix(#000, $mocha-madness, 20%);

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