Greenish Brown

CSS

:root {
  --greenish-brown: #696112;
  --greenish-brown-rgb: 105 97 18;
  --greenish-brown-oklch: oklch(0.486 0.095 103.3);
}

.element {
  color: var(--greenish-brown);
  background-color: hsl(54 71% 24%);
  border-color: oklch(0.486 0.095 103.3);
}

Tailwind CSS v4

@theme {
  --color-greenish-brown: #696112;
  --color-greenish-brown-50: #f9f7d8;
  --color-greenish-brown-100: #eceac6;
  --color-greenish-brown-200: #dad7a9;
  --color-greenish-brown-300: #bebb82;
  --color-greenish-brown-400: #a8a15d;
  --color-greenish-brown-500: #918936;
  --color-greenish-brown-600: #7b742f;
  --color-greenish-brown-700: #625d25;
  --color-greenish-brown-800: #494319;
  --color-greenish-brown-900: #332e10;
  --color-greenish-brown-950: #1f1b03;
}

SCSS

$greenish-brown: #696112;
$greenish-brown-rgb: 105, 97, 18;
$greenish-brown-light: mix(#fff, $greenish-brown, 20%);
$greenish-brown-dark: mix(#000, $greenish-brown, 20%);

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