#8A6F63

CSS

:root {
  --mocha-madness: #8a6f63;
  --mocha-madness-rgb: 138 111 99;
  --mocha-madness-oklch: oklch(0.564 0.039 45.2);
}

.element {
  color: var(--mocha-madness);
  background-color: hsl(18 16% 46%);
  border-color: oklch(0.564 0.039 45.2);
}

Tailwind CSS v4

@theme {
  --color-mocha-madness: #8a6f63;
  --color-mocha-madness-50: #fff2ec;
  --color-mocha-madness-100: #f4e4dd;
  --color-mocha-madness-200: #e3d0c6;
  --color-mocha-madness-300: #c9b2a7;
  --color-mocha-madness-400: #b3988c;
  --color-mocha-madness-500: #9d7f71;
  --color-mocha-madness-600: #856b60;
  --color-mocha-madness-700: #6a564c;
  --color-mocha-madness-800: #4e3e38;
  --color-mocha-madness-900: #372b26;
  --color-mocha-madness-950: #211814;
}

SCSS

$mocha-madness: #8a6f63;
$mocha-madness-rgb: 138, 111, 99;
$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);
}