#8C615E

CSS

:root {
  --reading-tea-leaves: #8c615e;
  --reading-tea-leaves-rgb: 140 97 94;
  --reading-tea-leaves-oklch: oklch(0.537 0.057 23.6);
}

.element {
  color: var(--reading-tea-leaves);
  background-color: hsl(4 20% 46%);
  border-color: oklch(0.537 0.057 23.6);
}

Tailwind CSS v4

@theme {
  --color-reading-tea-leaves: #8c615e;
  --color-reading-tea-leaves-50: #ffefed;
  --color-reading-tea-leaves-100: #fbe1de;
  --color-reading-tea-leaves-200: #ecccc8;
  --color-reading-tea-leaves-300: #d3ada9;
  --color-reading-tea-leaves-400: #be928e;
  --color-reading-tea-leaves-500: #a97874;
  --color-reading-tea-leaves-600: #8f6562;
  --color-reading-tea-leaves-700: #72514f;
  --color-reading-tea-leaves-800: #543b3a;
  --color-reading-tea-leaves-900: #3b2827;
  --color-reading-tea-leaves-950: #251616;
}

SCSS

$reading-tea-leaves: #8c615e;
$reading-tea-leaves-rgb: 140, 97, 94;
$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);
}