#606F6B

CSS

:root {
  --wrapped-in-twilight: #606f6b;
  --wrapped-in-twilight-rgb: 96 111 107;
  --wrapped-in-twilight-oklch: oklch(0.528 0.019 177.7);
}

.element {
  color: var(--wrapped-in-twilight);
  background-color: hsl(164 7% 41%);
  border-color: oklch(0.528 0.019 177.7);
}

Tailwind CSS v4

@theme {
  --color-wrapped-in-twilight: #606f6b;
  --color-wrapped-in-twilight-50: #f0f7f5;
  --color-wrapped-in-twilight-100: #e1eae8;
  --color-wrapped-in-twilight-200: #ccd7d4;
  --color-wrapped-in-twilight-300: #aebbb8;
  --color-wrapped-in-twilight-400: #93a29e;
  --color-wrapped-in-twilight-500: #798b86;
  --color-wrapped-in-twilight-600: #677571;
  --color-wrapped-in-twilight-700: #525e5b;
  --color-wrapped-in-twilight-800: #3c4542;
  --color-wrapped-in-twilight-900: #292f2e;
  --color-wrapped-in-twilight-950: #171c1a;
}

SCSS

$wrapped-in-twilight: #606f6b;
$wrapped-in-twilight-rgb: 96, 111, 107;
$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);
}