#697216

CSS

:root {
  --topiary-green: #697216;
  --topiary-green-rgb: 105 114 22;
  --topiary-green-oklch: oklch(0.527 0.111 115.3);
}

.element {
  color: var(--topiary-green);
  background-color: hsl(66 68% 27%);
  border-color: oklch(0.527 0.111 115.3);
}

Tailwind CSS v4

@theme {
  --color-topiary-green: #697216;
  --color-topiary-green-50: #f2fad6;
  --color-topiary-green-100: #e5edc4;
  --color-topiary-green-200: #d0dba5;
  --color-topiary-green-300: #b3bf7d;
  --color-topiary-green-400: #9ca656;
  --color-topiary-green-500: #848e2b;
  --color-topiary-green-600: #707927;
  --color-topiary-green-700: #59601f;
  --color-topiary-green-800: #434613;
  --color-topiary-green-900: #2e310c;
  --color-topiary-green-950: #1b1d01;
}

SCSS

$topiary-green: #697216;
$topiary-green-rgb: 105, 114, 22;
$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);
}