#666E6D

CSS

:root {
  --wrapped-in-twilight: #666e6d;
  --wrapped-in-twilight-rgb: 102 110 109;
  --wrapped-in-twilight-oklch: oklch(0.531 0.01 187.9);
}

.element {
  color: var(--wrapped-in-twilight);
  background-color: hsl(172 4% 42%);
  border-color: oklch(0.531 0.01 187.9);
}

Tailwind CSS v4

@theme {
  --color-wrapped-in-twilight: #666e6d;
  --color-wrapped-in-twilight-50: #f2f6f6;
  --color-wrapped-in-twilight-100: #e4e9e8;
  --color-wrapped-in-twilight-200: #d0d6d5;
  --color-wrapped-in-twilight-300: #b2b9b8;
  --color-wrapped-in-twilight-400: #98a09f;
  --color-wrapped-in-twilight-500: #7f8887;
  --color-wrapped-in-twilight-600: #6c7372;
  --color-wrapped-in-twilight-700: #565c5b;
  --color-wrapped-in-twilight-800: #3f4343;
  --color-wrapped-in-twilight-900: #2b2f2e;
  --color-wrapped-in-twilight-950: #191b1b;
}

SCSS

$wrapped-in-twilight: #666e6d;
$wrapped-in-twilight-rgb: 102, 110, 109;
$wrapped-in-twilight-light: mix(#fff, $wrapped-in-twilight, 20%);
$wrapped-in-twilight-dark: mix(#000, $wrapped-in-twilight, 20%);

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