Examine source code of light blues

{
  "theme": {
    "images": {
      "theme_frame": "jamaica7.png"
    },
    "colors": {
      "frame": "#7581ff",
      "tab_background_text": "#0ce8d9"
    }
  },
  "version": "2.0",
  "name": "light blues",
  "manifest_version": 2,
  "description": "light blue circles atoms lyla violet lightness dark blue"
}