#866463

CSS

:root {
  --reading-tea-leaves: #866463;
  --reading-tea-leaves-rgb: 134 100 99;
  --reading-tea-leaves-oklch: oklch(0.537 0.044 20.6);
}

.element {
  color: var(--reading-tea-leaves);
  background-color: hsl(2 15% 46%);
  border-color: oklch(0.537 0.044 20.6);
}

Tailwind CSS v4

@theme {
  --color-reading-tea-leaves: #866463;
  --color-reading-tea-leaves-50: #fff1ef;
  --color-reading-tea-leaves-100: #f7e2e1;
  --color-reading-tea-leaves-200: #e7cdcc;
  --color-reading-tea-leaves-300: #cdafad;
  --color-reading-tea-leaves-400: #b79593;
  --color-reading-tea-leaves-500: #a27b7a;
  --color-reading-tea-leaves-600: #896867;
  --color-reading-tea-leaves-700: #6e5352;
  --color-reading-tea-leaves-800: #513c3c;
  --color-reading-tea-leaves-900: #382929;
  --color-reading-tea-leaves-950: #231717;
}

SCSS

$reading-tea-leaves: #866463;
$reading-tea-leaves-rgb: 134, 100, 99;
$reading-tea-leaves-light: mix(#fff, $reading-tea-leaves, 20%);
$reading-tea-leaves-dark: mix(#000, $reading-tea-leaves, 20%);

.element {
  color: $reading-tea-leaves;
  box-shadow: 0 0 0 2px rgba($reading-tea-leaves, 0.35);
}