#134E3A

CSS

:root {
  --zucchini: #134e3a;
  --zucchini-rgb: 19 78 58;
  --zucchini-oklch: oklch(0.381 0.069 166.1);
}

.element {
  color: var(--zucchini);
  background-color: hsl(160 61% 19%);
  border-color: oklch(0.381 0.069 166.1);
}

Tailwind CSS v4

@theme {
  --color-zucchini: #134e3a;
  --color-zucchini-50: #e3fcf1;
  --color-zucchini-100: #d3f0e3;
  --color-zucchini-200: #b9decf;
  --color-zucchini-300: #95c3b1;
  --color-zucchini-400: #77ac95;
  --color-zucchini-500: #57957c;
  --color-zucchini-600: #4a7e69;
  --color-zucchini-700: #3b6554;
  --color-zucchini-800: #2b4a3c;
  --color-zucchini-900: #1d3329;
  --color-zucchini-950: #0c1f17;
}

SCSS

$zucchini: #134e3a;
$zucchini-rgb: 19, 78, 58;
$zucchini-light: mix(#fff, $zucchini, 20%);
$zucchini-dark: mix(#000, $zucchini, 20%);

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