City Lights

CSS

:root {
  --city-lights: #dfe6ea;
  --city-lights-rgb: 223 230 234;
  --city-lights-oklch: oklch(0.921 0.009 232.4);
}

.element {
  color: var(--city-lights);
  background-color: hsl(202 21% 90%);
  border-color: oklch(0.921 0.009 232.4);
}

Tailwind CSS v4

@theme {
  --color-city-lights: #dfe6ea;
  --color-city-lights-50: #f3f6f7;
  --color-city-lights-100: #e5e8ea;
  --color-city-lights-200: #d1d5d8;
  --color-city-lights-300: #b3b8bb;
  --color-city-lights-400: #999fa3;
  --color-city-lights-500: #80878b;
  --color-city-lights-600: #6d7376;
  --color-city-lights-700: #575c5e;
  --color-city-lights-800: #3f4345;
  --color-city-lights-900: #2c2e30;
  --color-city-lights-950: #191b1c;
}

SCSS

$city-lights: #dfe6ea;
$city-lights-rgb: 223, 230, 234;
$city-lights-light: mix(#fff, $city-lights, 20%);
$city-lights-dark: mix(#000, $city-lights, 20%);

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