Examine source code of Space Colors

{
  "name": "87cca0ec40ea3157c56e5c5d98581917",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "87cca0ec40ea3157c56e5c5d98581917.jpg"
    },
    "colors": {
      "frame": "rgba(255, 255, 255, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(255, 255, 255, 0.4)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(255, 255, 255, 0.65)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)"
    }
  }
}