#1D845E

CSS

:root {
  --primal-green: #1d845e;
  --primal-green-rgb: 29 132 94;
  --primal-green-oklch: oklch(0.547 0.109 163);
}

.element {
  color: var(--primal-green);
  background-color: hsl(158 64% 32%);
  border-color: oklch(0.547 0.109 163);
}

Tailwind CSS v4

@theme {
  --color-primal-green: #1d845e;
  --color-primal-green-50: #d9ffed;
  --color-primal-green-100: #c7f4df;
  --color-primal-green-200: #a9e4c9;
  --color-primal-green-300: #80c9aa;
  --color-primal-green-400: #5bb38c;
  --color-primal-green-500: #2b9c71;
  --color-primal-green-600: #278460;
  --color-primal-green-700: #206a4c;
  --color-primal-green-800: #174e36;
  --color-primal-green-900: #0f3625;
  --color-primal-green-950: #022113;
}

SCSS

$primal-green: #1d845e;
$primal-green-rgb: 29, 132, 94;
$primal-green-light: mix(#fff, $primal-green, 20%);
$primal-green-dark: mix(#000, $primal-green, 20%);

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