#338262

CSS

:root {
  --shadows-of-time: #338262;
  --shadows-of-time-rgb: 51 130 98;
  --shadows-of-time-oklch: oklch(0.548 0.093 163.6);
}

.element {
  color: var(--shadows-of-time);
  background-color: hsl(156 44% 35%);
  border-color: oklch(0.548 0.093 163.6);
}

Tailwind CSS v4

@theme {
  --color-shadows-of-time: #338262;
  --color-shadows-of-time-50: #ddfeef;
  --color-shadows-of-time-100: #ccf2e1;
  --color-shadows-of-time-200: #afe1cb;
  --color-shadows-of-time-300: #89c7ac;
  --color-shadows-of-time-400: #67b08f;
  --color-shadows-of-time-500: #419975;
  --color-shadows-of-time-600: #388263;
  --color-shadows-of-time-700: #2d684f;
  --color-shadows-of-time-800: #204c38;
  --color-shadows-of-time-900: #153526;
  --color-shadows-of-time-950: #062015;
}

SCSS

$shadows-of-time: #338262;
$shadows-of-time-rgb: 51, 130, 98;
$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);
}