Examine source code of ColorPixels

{
  "name": "ColorPixels",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "ColorPixels.png"
    },
    "colors": {
      "frame": "rgba(252, 131, 131, 1)",
      "tab_background_text": "rgba(245, 242, 52, 1)",
      "toolbar": "rgba(0, 66, 99, 0.69)",
      "bookmark_text": "rgba(107, 237, 172, 1)",
      "toolbar_field": "rgba(89, 8, 78, 1)",
      "toolbar_field_text": "rgba(232, 39, 142, 1)"
    }
  }
}