#16836F

CSS

:root {
  --shadows-of-time: #16836f;
  --shadows-of-time-rgb: 22 131 111;
  --shadows-of-time-oklch: oklch(0.548 0.097 176.3);
}

.element {
  color: var(--shadows-of-time);
  background-color: hsl(169 71% 30%);
  border-color: oklch(0.548 0.097 176.3);
}

Tailwind CSS v4

@theme {
  --color-shadows-of-time: #16836f;
  --color-shadows-of-time-50: #d9fff5;
  --color-shadows-of-time-100: #c6f3e8;
  --color-shadows-of-time-200: #a8e2d4;
  --color-shadows-of-time-300: #7fc8b8;
  --color-shadows-of-time-400: #58b19c;
  --color-shadows-of-time-500: #249b84;
  --color-shadows-of-time-600: #228370;
  --color-shadows-of-time-700: #1c6959;
  --color-shadows-of-time-800: #134d40;
  --color-shadows-of-time-900: #0c362c;
  --color-shadows-of-time-950: #002119;
}

SCSS

$shadows-of-time: #16836f;
$shadows-of-time-rgb: 22, 131, 111;
$shadows-of-time-light: mix(#fff, $shadows-of-time, 20%);
$shadows-of-time-dark: mix(#000, $shadows-of-time, 20%);

.element {
  color: $shadows-of-time;
  box-shadow: 0 0 0 2px rgba($shadows-of-time, 0.35);
}