Vapour Blue

CSS

:root {
  --vapour-blue: #bebdbd;
  --vapour-blue-rgb: 190 189 189;
  --vapour-blue-oklch: oklch(0.799 0.001 17.2);
}

.element {
  color: var(--vapour-blue);
  background-color: hsl(0 1% 74%);
  border-color: oklch(0.799 0.001 17.2);
}

Tailwind CSS v4

@theme {
  --color-vapour-blue: #bebdbd;
  --color-vapour-blue-50: #f5f5f5;
  --color-vapour-blue-100: #e8e8e8;
  --color-vapour-blue-200: #d5d4d4;
  --color-vapour-blue-300: #b8b7b7;
  --color-vapour-blue-400: #9f9e9e;
  --color-vapour-blue-500: #878686;
  --color-vapour-blue-600: #727171;
  --color-vapour-blue-700: #5b5a5a;
  --color-vapour-blue-800: #434242;
  --color-vapour-blue-900: #2e2e2e;
  --color-vapour-blue-950: #1b1a1a;
}

SCSS

$vapour-blue: #bebdbd;
$vapour-blue-rgb: 190, 189, 189;
$vapour-blue-light: mix(#fff, $vapour-blue, 20%);
$vapour-blue-dark: mix(#000, $vapour-blue, 20%);

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