#6D7B1E

CSS

:root {
  --topiary-green: #6d7b1e;
  --topiary-green-rgb: 109 123 30;
  --topiary-green-oklch: oklch(0.553 0.115 117.9);
}

.element {
  color: var(--topiary-green);
  background-color: hsl(69 61% 30%);
  border-color: oklch(0.553 0.115 117.9);
}

Tailwind CSS v4

@theme {
  --color-topiary-green: #6d7b1e;
  --color-topiary-green-50: #f1fbd6;
  --color-topiary-green-100: #e3eec3;
  --color-topiary-green-200: #cedca5;
  --color-topiary-green-300: #b0c07c;
  --color-topiary-green-400: #98a855;
  --color-topiary-green-500: #809028;
  --color-topiary-green-600: #6c7a24;
  --color-topiary-green-700: #56611d;
  --color-topiary-green-800: #414711;
  --color-topiary-green-900: #2c310b;
  --color-topiary-green-950: #1a1d01;
}

SCSS

$topiary-green: #6d7b1e;
$topiary-green-rgb: 109, 123, 30;
$topiary-green-light: mix(#fff, $topiary-green, 20%);
$topiary-green-dark: mix(#000, $topiary-green, 20%);

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