Examine source code of Dark Blue Lights

{
  "theme": {
    "images": {
      "theme_frame": "darkblueheader.jpg"
    },
    "colors": {
      "frame": "#7ea9e6",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Dark Blue Lights",
  "manifest_version": 2,
  "description": "Blue version of Dark Purple Lights. Lights were rearranged to hopefully make menus a bit easier to read. Keywords: dark, black, blue, lights, waves, aqua, abstract, white"
}