#A79982

CSS

:root {
  --majestic-elk: #a79982;
  --majestic-elk-rgb: 167 153 130;
  --majestic-elk-oklch: oklch(0.689 0.036 80.2);
}

.element {
  color: var(--majestic-elk);
  background-color: hsl(37 17% 58%);
  border-color: oklch(0.689 0.036 80.2);
}

Tailwind CSS v4

@theme {
  --color-majestic-elk: #a79982;
  --color-majestic-elk-50: #faf4ea;
  --color-majestic-elk-100: #eee7db;
  --color-majestic-elk-200: #dcd3c3;
  --color-majestic-elk-300: #c1b6a3;
  --color-majestic-elk-400: #aa9d87;
  --color-majestic-elk-500: #93846b;
  --color-majestic-elk-600: #7c705b;
  --color-majestic-elk-700: #645948;
  --color-majestic-elk-800: #494134;
  --color-majestic-elk-900: #332d24;
  --color-majestic-elk-950: #1f1a13;
}

SCSS

$majestic-elk: #a79982;
$majestic-elk-rgb: 167, 153, 130;
$majestic-elk-light: mix(#fff, $majestic-elk, 20%);
$majestic-elk-dark: mix(#000, $majestic-elk, 20%);

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