#009D91

CSS

:root {
  --green-dynasty: #009d91;
  --green-dynasty-rgb: 0 157 145;
  --green-dynasty-oklch: oklch(0.626 0.11 185.3);
}

.element {
  color: var(--green-dynasty);
  background-color: hsl(175 100% 31%);
  border-color: oklch(0.626 0.11 185.3);
}

Tailwind CSS v4

@theme {
  --color-green-dynasty: #009d91;
  --color-green-dynasty-50: #d3fffa;
  --color-green-dynasty-100: #bff4ee;
  --color-green-dynasty-200: #9de4dc;
  --color-green-dynasty-300: #70cac1;
  --color-green-dynasty-400: #3fb3a7;
  --color-green-dynasty-500: #009d90;
  --color-green-dynasty-600: #00857a;
  --color-green-dynasty-700: #006a62;
  --color-green-dynasty-800: #004e46;
  --color-green-dynasty-900: #003731;
  --color-green-dynasty-950: #00211d;
}

SCSS

$green-dynasty: #009d91;
$green-dynasty-rgb: 0, 157, 145;
$green-dynasty-light: mix(#fff, $green-dynasty, 20%);
$green-dynasty-dark: mix(#000, $green-dynasty, 20%);

.element {
  color: $green-dynasty;
  box-shadow: 0 0 0 2px rgba($green-dynasty, 0.35);
}