York River Green

CSS

:root {
  --york-river-green: #67706d;
  --york-river-green-rgb: 103 112 109;
  --york-river-green-oklch: oklch(0.537 0.012 173.9);
}

.element {
  color: var(--york-river-green);
  background-color: hsl(160 4% 42%);
  border-color: oklch(0.537 0.012 173.9);
}

Tailwind CSS v4

@theme {
  --color-york-river-green: #67706d;
  --color-york-river-green-50: #f2f6f5;
  --color-york-river-green-100: #e4e9e8;
  --color-york-river-green-200: #cfd6d4;
  --color-york-river-green-300: #b1b9b7;
  --color-york-river-green-400: #98a19e;
  --color-york-river-green-500: #7f8985;
  --color-york-river-green-600: #6b7471;
  --color-york-river-green-700: #565d5a;
  --color-york-river-green-800: #3e4442;
  --color-york-river-green-900: #2b2f2d;
  --color-york-river-green-950: #181b1a;
}

SCSS

$york-river-green: #67706d;
$york-river-green-rgb: 103, 112, 109;
$york-river-green-light: mix(#fff, $york-river-green, 20%);
$york-river-green-dark: mix(#000, $york-river-green, 20%);

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