chromium/chrome/test/data/banners/no-sw-with-colors.json

{
    "name": "Manifest test app with colors and no service worker",
    "icons": [
      {
        "src": "launcher-icon-4x.png",
        "sizes": "192x192",
        "type": "image/png"
      }
    ],
    "start_url": "no-sw-with-colors.html",
    "display": "fullscreen",
    "background_color": "yellow",
    "theme_color": "lime",
    "orientation": "portrait"
}