Examine source code of Halloween Hues

{
  "theme": {
    "images": {
      "theme_frame": "Halloween_Happy_HuesEDIT.png"
    },
    "colors": {
      "frame": "#a19999",
      "tab_background_text": "#66ff33"
    }
  },
  "version": "2.0",
  "name": "Halloween Hues",
  "manifest_version": 2,
  "description": "I just finished making two colorful October Swirl personas for daytime wear... now I have made one  that you can put on at night!   (Swirls, Autumn, Fall, Trick or Treat, black, orange, yellow, green, fun ) c0l1\n\nAn original Holiday design by CollieSmile."
}