#606F6C

CSS

:root {
  --wrapped-in-twilight: #606f6c;
  --wrapped-in-twilight-rgb: 96 111 108;
  --wrapped-in-twilight-oklch: oklch(0.528 0.019 182.2);
}

.element {
  color: var(--wrapped-in-twilight);
  background-color: hsl(168 7% 41%);
  border-color: oklch(0.528 0.019 182.2);
}

Tailwind CSS v4

@theme {
  --color-wrapped-in-twilight: #606f6c;
  --color-wrapped-in-twilight-50: #f0f7f6;
  --color-wrapped-in-twilight-100: #e1eae8;
  --color-wrapped-in-twilight-200: #ccd7d5;
  --color-wrapped-in-twilight-300: #adbbb8;
  --color-wrapped-in-twilight-400: #93a29f;
  --color-wrapped-in-twilight-500: #798a87;
  --color-wrapped-in-twilight-600: #677572;
  --color-wrapped-in-twilight-700: #525e5b;
  --color-wrapped-in-twilight-800: #3c4543;
  --color-wrapped-in-twilight-900: #292f2e;
  --color-wrapped-in-twilight-950: #171c1b;
}

SCSS

$wrapped-in-twilight: #606f6c;
$wrapped-in-twilight-rgb: 96, 111, 108;
$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);
}