In the Twilight

CSS

:root {
  --in-the-twilight: #84838e;
  --in-the-twilight-rgb: 132 131 142;
  --in-the-twilight-oklch: oklch(0.614 0.016 290.1);
}

.element {
  color: var(--in-the-twilight);
  background-color: hsl(245 5% 54%);
  border-color: oklch(0.614 0.016 290.1);
}

Tailwind CSS v4

@theme {
  --color-in-the-twilight: #84838e;
  --color-in-the-twilight-50: #f5f4fa;
  --color-in-the-twilight-100: #e8e7ed;
  --color-in-the-twilight-200: #d4d3db;
  --color-in-the-twilight-300: #b7b6bf;
  --color-in-the-twilight-400: #9e9da8;
  --color-in-the-twilight-500: #868591;
  --color-in-the-twilight-600: #71707a;
  --color-in-the-twilight-700: #5a5a62;
  --color-in-the-twilight-800: #424248;
  --color-in-the-twilight-900: #2d2d32;
  --color-in-the-twilight-950: #1a1a1e;
}

SCSS

$in-the-twilight: #84838e;
$in-the-twilight-rgb: 132, 131, 142;
$in-the-twilight-light: mix(#fff, $in-the-twilight, 20%);
$in-the-twilight-dark: mix(#000, $in-the-twilight, 20%);

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