Isolation

CSS

:root {
  --isolation: #494d55;
  --isolation-rgb: 73 77 85;
  --isolation-oklch: oklch(0.42 0.014 264.4);
}

.element {
  color: var(--isolation);
  background-color: hsl(220 8% 31%);
  border-color: oklch(0.42 0.014 264.4);
}

Tailwind CSS v4

@theme {
  --color-isolation: #494d55;
  --color-isolation-50: #f3f5f9;
  --color-isolation-100: #e6e8ed;
  --color-isolation-200: #d1d4da;
  --color-isolation-300: #b4b7bf;
  --color-isolation-400: #9a9ea7;
  --color-isolation-500: #818690;
  --color-isolation-600: #6e727a;
  --color-isolation-700: #585b61;
  --color-isolation-800: #404247;
  --color-isolation-900: #2c2e31;
  --color-isolation-950: #191b1d;
}

SCSS

$isolation: #494d55;
$isolation-rgb: 73, 77, 85;
$isolation-light: mix(#fff, $isolation, 20%);
$isolation-dark: mix(#000, $isolation, 20%);

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