#1F8466

CSS

:root {
  --shadows-of-time: #1f8466;
  --shadows-of-time-rgb: 31 132 102;
  --shadows-of-time-oklch: oklch(0.549 0.101 168.1);
}

.element {
  color: var(--shadows-of-time);
  background-color: hsl(162 62% 32%);
  border-color: oklch(0.549 0.101 168.1);
}

Tailwind CSS v4

@theme {
  --color-shadows-of-time: #1f8466;
  --color-shadows-of-time-50: #dafff1;
  --color-shadows-of-time-100: #c7f3e3;
  --color-shadows-of-time-200: #a9e3ce;
  --color-shadows-of-time-300: #81c9b0;
  --color-shadows-of-time-400: #5bb293;
  --color-shadows-of-time-500: #2c9b79;
  --color-shadows-of-time-600: #288367;
  --color-shadows-of-time-700: #206952;
  --color-shadows-of-time-800: #174d3a;
  --color-shadows-of-time-900: #0f3628;
  --color-shadows-of-time-950: #022116;
}

SCSS

$shadows-of-time: #1f8466;
$shadows-of-time-rgb: 31, 132, 102;
$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);
}