#00805C

CSS

:root {
  --shadows-of-time: #00805c;
  --shadows-of-time-rgb: 0 128 92;
  --shadows-of-time-oklch: oklch(0.532 0.112 165.1);
}

.element {
  color: var(--shadows-of-time);
  background-color: hsl(163 100% 25%);
  border-color: oklch(0.532 0.112 165.1);
}

Tailwind CSS v4

@theme {
  --color-shadows-of-time: #00805c;
  --color-shadows-of-time-50: #d8ffef;
  --color-shadows-of-time-100: #c5f4e0;
  --color-shadows-of-time-200: #a6e4ca;
  --color-shadows-of-time-300: #7ccaac;
  --color-shadows-of-time-400: #55b38e;
  --color-shadows-of-time-500: #1e9d74;
  --color-shadows-of-time-600: #1e8562;
  --color-shadows-of-time-700: #186a4e;
  --color-shadows-of-time-800: #124e37;
  --color-shadows-of-time-900: #0c3626;
  --color-shadows-of-time-950: #002114;
}

SCSS

$shadows-of-time: #00805c;
$shadows-of-time-rgb: 0, 128, 92;
$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);
}