#14866C

CSS

:root {
  --shadows-of-time: #14866c;
  --shadows-of-time-rgb: 20 134 108;
  --shadows-of-time-oklch: oklch(0.555 0.103 172.1);
}

.element {
  color: var(--shadows-of-time);
  background-color: hsl(166 74% 30%);
  border-color: oklch(0.555 0.103 172.1);
}

Tailwind CSS v4

@theme {
  --color-shadows-of-time: #14866c;
  --color-shadows-of-time-50: #d8fff3;
  --color-shadows-of-time-100: #c5f4e5;
  --color-shadows-of-time-200: #a6e3d1;
  --color-shadows-of-time-300: #7dc9b3;
  --color-shadows-of-time-400: #56b297;
  --color-shadows-of-time-500: #1e9c7e;
  --color-shadows-of-time-600: #1e846b;
  --color-shadows-of-time-700: #196a56;
  --color-shadows-of-time-800: #114e3d;
  --color-shadows-of-time-900: #0b362a;
  --color-shadows-of-time-950: #002117;
}

SCSS

$shadows-of-time: #14866c;
$shadows-of-time-rgb: 20, 134, 108;
$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);
}