Steel Wool

CSS

:root {
  --steel-wool: #767574;
  --steel-wool-rgb: 118 117 116;
  --steel-wool-oklch: oklch(0.563 0.002 67.8);
}

.element {
  color: var(--steel-wool);
  background-color: hsl(30 1% 46%);
  border-color: oklch(0.563 0.002 67.8);
}

Tailwind CSS v4

@theme {
  --color-steel-wool: #767574;
  --color-steel-wool-50: #f5f5f4;
  --color-steel-wool-100: #e8e8e7;
  --color-steel-wool-200: #d5d4d3;
  --color-steel-wool-300: #b8b7b6;
  --color-steel-wool-400: #9f9e9d;
  --color-steel-wool-500: #878685;
  --color-steel-wool-600: #727170;
  --color-steel-wool-700: #5b5b5a;
  --color-steel-wool-800: #434242;
  --color-steel-wool-900: #2e2e2d;
  --color-steel-wool-950: #1b1a1a;
}

SCSS

$steel-wool: #767574;
$steel-wool-rgb: 118, 117, 116;
$steel-wool-light: mix(#fff, $steel-wool, 20%);
$steel-wool-dark: mix(#000, $steel-wool, 20%);

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