FrontierThemes/theme-frontier-auto.css

@media (prefers-color-scheme: light) {
  :root {
    --colorPrimary: 52, 173, 51;

    --colorBackground: 255, 255, 255;
    --colorText: 16, 16, 16;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --colorPrimary: 52, 173, 51;

    --colorBackground: 16, 16, 16;
    --colorText: 255, 255, 255;
  }
}