Wet Concrete

CSS

:root {
  --wet-concrete: #353838;
  --wet-concrete-rgb: 53 56 56;
  --wet-concrete-oklch: oklch(0.338 0.004 197);
}

.element {
  color: var(--wet-concrete);
  background-color: hsl(180 3% 21%);
  border-color: oklch(0.338 0.004 197);
}

Tailwind CSS v4

@theme {
  --color-wet-concrete: #353838;
  --color-wet-concrete-50: #f4f5f5;
  --color-wet-concrete-100: #e6e8e8;
  --color-wet-concrete-200: #d2d5d5;
  --color-wet-concrete-300: #b5b8b8;
  --color-wet-concrete-400: #9c9f9f;
  --color-wet-concrete-500: #838787;
  --color-wet-concrete-600: #6f7272;
  --color-wet-concrete-700: #595b5b;
  --color-wet-concrete-800: #414343;
  --color-wet-concrete-900: #2d2e2e;
  --color-wet-concrete-950: #1a1b1b;
}

SCSS

$wet-concrete: #353838;
$wet-concrete-rgb: 53, 56, 56;
$wet-concrete-light: mix(#fff, $wet-concrete, 20%);
$wet-concrete-dark: mix(#000, $wet-concrete, 20%);

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