Examine source code of voilet rain

{
  "theme": {
    "images": {
      "theme_frame": "abstactpurp.png"
    },
    "colors": {
      "frame": "#6d1ac7",
      "tab_background_text": "#3f048c"
    }
  },
  "version": "2.0",
  "name": "voilet rain",
  "manifest_version": 2,
  "description": "different purple like colors i got from google."
}