#786D23

CSS

:root {
  --garden-weed: #786d23;
  --garden-weed-rgb: 120 109 35;
  --garden-weed-oklch: oklch(0.53 0.094 100.7);
}

.element {
  color: var(--garden-weed);
  background-color: hsl(52 55% 30%);
  border-color: oklch(0.53 0.094 100.7);
}

Tailwind CSS v4

@theme {
  --color-garden-weed: #786d23;
  --color-garden-weed-50: #faf7d8;
  --color-garden-weed-100: #edeac6;
  --color-garden-weed-200: #dbd7a8;
  --color-garden-weed-300: #c0ba81;
  --color-garden-weed-400: #aaa05d;
  --color-garden-weed-500: #948836;
  --color-garden-weed-600: #7d732f;
  --color-garden-weed-700: #645c25;
  --color-garden-weed-800: #4b4319;
  --color-garden-weed-900: #342e10;
  --color-garden-weed-950: #1f1b03;
}

SCSS

$garden-weed: #786d23;
$garden-weed-rgb: 120, 109, 35;
$garden-weed-light: mix(#fff, $garden-weed, 20%);
$garden-weed-dark: mix(#000, $garden-weed, 20%);

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