Examine source code of Indigo

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Indigo",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(96, 47, 249)",
      "toolbar_text": "rgb(0, 204, 255)",
      "frame": "rgb(113, 84, 255)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(68, 167, 255)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(34, 176, 203)",
      "popup": "rgb(30, 69, 101)",
      "popup_text": "rgb(0, 216, 255)",
      "button_background_active": "rgb(44, 119, 255)",
      "button_background_hover": "rgb(109, 72, 227)",
      "frame_inactive": "rgb(106, 31, 234)",
      "icons_attention": "rgb(63, 141, 233)",
      "icons": "rgb(77, 231, 255)",
      "ntp_background": "rgb(133, 67, 255)",
      "popup_border": "rgb(0, 140, 255)",
      "popup_highlight_text": "rgb(41, 95, 192)",
      "tab_background_separator": "rgb(0, 62, 255)",
      "tab_loading": "rgb(255, 152, 0)",
      "tab_selected": "rgb(136, 86, 255)",
      "tab_text": "rgb(255, 255, 255)",
      "toolbar_field_border": "rgb(30, 0, 183)",
      "toolbar_field_focus": "rgb(58, 133, 255)",
      "toolbar_field_highlight": "rgb(126, 100, 238)"
    }
  }
}