#34826B

CSS

:root {
  --shadows-of-time: #34826b;
  --shadows-of-time-rgb: 52 130 107;
  --shadows-of-time-oklch: oklch(0.551 0.085 170.8);
}

.element {
  color: var(--shadows-of-time);
  background-color: hsl(162 43% 36%);
  border-color: oklch(0.551 0.085 170.8);
}

Tailwind CSS v4

@theme {
  --color-shadows-of-time: #34826b;
  --color-shadows-of-time-50: #defef3;
  --color-shadows-of-time-100: #ccf2e5;
  --color-shadows-of-time-200: #b0e1d1;
  --color-shadows-of-time-300: #8ac6b3;
  --color-shadows-of-time-400: #67af97;
  --color-shadows-of-time-500: #41987e;
  --color-shadows-of-time-600: #38816b;
  --color-shadows-of-time-700: #2d6755;
  --color-shadows-of-time-800: #204c3d;
  --color-shadows-of-time-900: #15352a;
  --color-shadows-of-time-950: #062018;
}

SCSS

$shadows-of-time: #34826b;
$shadows-of-time-rgb: 52, 130, 107;
$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);
}