Examine source code of lavender gradient

{
  "theme": {
    "images": {
      "theme_frame": "gradient2.png"
    },
    "colors": {
      "frame": "#5c4973",
      "tab_background_text": "#f3ebff"
    }
  },
  "version": "2.0",
  "name": "lavender gradient",
  "manifest_version": 2,
  "description": "blue lavender bleu lavande gradient degrade solide"
}