Examine source code of Blue&Red Theme

{
  "name": "Blue&Red",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "windows 10 wall paper.png"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(255, 0, 0, 0.73)",
      "toolbar": "rgba(0, 9, 255, 0.53)",
      "bookmark_text": "rgba(0, 242, 255, 1)",
      "toolbar_field": "rgba(255, 0, 0, 0.83)",
      "toolbar_field_text": "rgba(43, 0, 255, 0.71)"
    }
  }
}