#508164

CSS

:root {
  --clouded-pine: #508164;
  --clouded-pine-rgb: 80 129 100;
  --clouded-pine-oklch: oklch(0.56 0.07 157.2);
}

.element {
  color: var(--clouded-pine);
  background-color: hsl(144 23% 41%);
  border-color: oklch(0.56 0.07 157.2);
}

Tailwind CSS v4

@theme {
  --color-clouded-pine: #508164;
  --color-clouded-pine-50: #e5fcee;
  --color-clouded-pine-100: #d5f0e0;
  --color-clouded-pine-200: #bcdeca;
  --color-clouded-pine-300: #99c3ab;
  --color-clouded-pine-400: #7cab8e;
  --color-clouded-pine-500: #5d9474;
  --color-clouded-pine-600: #4f7e62;
  --color-clouded-pine-700: #3f654e;
  --color-clouded-pine-800: #2e4a38;
  --color-clouded-pine-900: #1f3326;
  --color-clouded-pine-950: #0f1f15;
}

SCSS

$clouded-pine: #508164;
$clouded-pine-rgb: 80, 129, 100;
$clouded-pine-light: mix(#fff, $clouded-pine, 20%);
$clouded-pine-dark: mix(#000, $clouded-pine, 20%);

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