Iron Fixture

CSS

:root {
  --iron-fixture: #5d5b5b;
  --iron-fixture-rgb: 93 91 91;
  --iron-fixture-oklch: oklch(0.473 0.003 17.2);
}

.element {
  color: var(--iron-fixture);
  background-color: hsl(0 1% 36%);
  border-color: oklch(0.473 0.003 17.2);
}

Tailwind CSS v4

@theme {
  --color-iron-fixture: #5d5b5b;
  --color-iron-fixture-50: #f6f5f5;
  --color-iron-fixture-100: #e9e7e7;
  --color-iron-fixture-200: #d5d4d4;
  --color-iron-fixture-300: #b9b7b7;
  --color-iron-fixture-400: #a09e9e;
  --color-iron-fixture-500: #888585;
  --color-iron-fixture-600: #737171;
  --color-iron-fixture-700: #5c5a5a;
  --color-iron-fixture-800: #434242;
  --color-iron-fixture-900: #2e2d2d;
  --color-iron-fixture-950: #1b1a1a;
}

SCSS

$iron-fixture: #5d5b5b;
$iron-fixture-rgb: 93, 91, 91;
$iron-fixture-light: mix(#fff, $iron-fixture, 20%);
$iron-fixture-dark: mix(#000, $iron-fixture, 20%);

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