Examine source code of Gritty Violet wall

{
  "theme": {
    "images": {
      "theme_frame": "Grittyvioletwall.jpeg"
    },
    "colors": {
      "frame": "#ffbdf5",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Gritty Violet wall",
  "manifest_version": 2,
  "description": "Violet version of the original orange theme, with added contrast."
}