Iron Earth

CSS

:root {
  --iron-earth: #8aa1a6;
  --iron-earth-rgb: 138 161 166;
  --iron-earth-oklch: oklch(0.693 0.027 212.3);
}

.element {
  color: var(--iron-earth);
  background-color: hsl(191 14% 60%);
  border-color: oklch(0.693 0.027 212.3);
}

Tailwind CSS v4

@theme {
  --color-iron-earth: #8aa1a6;
  --color-iron-earth-50: #edf7fa;
  --color-iron-earth-100: #deeaed;
  --color-iron-earth-200: #c8d7db;
  --color-iron-earth-300: #a9bbc0;
  --color-iron-earth-400: #8da3a8;
  --color-iron-earth-500: #728b91;
  --color-iron-earth-600: #61767a;
  --color-iron-earth-700: #4d5e62;
  --color-iron-earth-800: #384548;
  --color-iron-earth-900: #263032;
  --color-iron-earth-950: #151c1e;
}

SCSS

$iron-earth: #8aa1a6;
$iron-earth-rgb: 138, 161, 166;
$iron-earth-light: mix(#fff, $iron-earth, 20%);
$iron-earth-dark: mix(#000, $iron-earth, 20%);

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