Examine source code of Orange

{
  "manifest_version": 2,
  "name": "Orange",
  "version": "1.0",
  "theme": {
    "properties": {
      "color_scheme": "light"
    },
    "colors": {
      "icons": [
        171,
        39,
        0
      ],
      "icons_attention": [
        171,
        39,
        0
      ],
      "tab_background_text": [
        106,
        21,
        0
      ],
      "tab_text": [
        171,
        39,
        0
      ],
      "tab_selected": [
        255,
        255,
        255
      ],
      "tab_line": [
        255,
        143,
        49
      ],
      "tab_loading": [
        72,
        18,
        0
      ],
      "frame": [
        255,
        205,
        158
      ],
      "frame_inactive": [
        255,
        205,
        158
      ],
      "popup": [
        255,
        255,
        255
      ],
      "popup_text": [
        171,
        39,
        0
      ],
      "popup_border": [
        240,
        115,
        0
      ],
      "popup_highlight": [
        255,
        205,
        158
      ],
      "popup_highlight_text": [
        39,
        15,
        0
      ],
      "toolbar": [
        255,
        237,
        214
      ],
      "toolbar_text": [
        171,
        39,
        0
      ],
      "toolbar_field": [
        255,
        255,
        255
      ],
      "toolbar_field_border": [
        255,
        143,
        49
      ],
      "toolbar_field_border_focus": [
        199,
        60,
        0
      ],
      "toolbar_field_focus": [
        255,
        255,
        255
      ],
      "toolbar_field_text": [
        171,
        39,
        0
      ],
      "toolbar_top_separator": [
        255,
        143,
        49
      ],
      "toolbar_bottom_separator": [
        255,
        143,
        49
      ],
      "ntp_background": [
        255,
        237,
        214
      ],
      "ntp_card_background": [
        255,
        255,
        255
      ],
      "ntp_text": [
        72,
        18,
        0
      ],
      "sidebar": [
        255,
        255,
        255
      ],
      "sidebar_border": [
        240,
        115,
        0
      ],
      "sidebar_text": [
        171,
        39,
        0
      ],
      "sidebar_highlight": [
        255,
        205,
        158
      ]
    }
  },
  "dark_theme": {
    "properties": {
      "color_scheme": "dark"
    },
    "colors": {
      "icons": [
        255,
        173,
        105
      ],
      "icons_attention": [
        255,
        173,
        105
      ],
      "tab_background_text": [
        255,
        205,
        158
      ],
      "tab_text": [
        255,
        237,
        214
      ],
      "tab_selected": [
        106,
        21,
        0
      ],
      "tab_line": [
        138,
        30,
        0
      ],
      "tab_loading": [
        255,
        205,
        158
      ],
      "frame": [
        39,
        15,
        0
      ],
      "frame_inactive": [
        39,
        15,
        0
      ],
      "popup": [
        22,
        22,
        22
      ],
      "popup_text": [
        255,
        173,
        105
      ],
      "popup_border": [
        138,
        30,
        0
      ],
      "popup_highlight": [
        138,
        30,
        0
      ],
      "popup_highlight_text": [
        255,
        237,
        214
      ],
      "toolbar": [
        72,
        18,
        0
      ],
      "toolbar_text": [
        255,
        205,
        158
      ],
      "toolbar_field": [
        22,
        22,
        22
      ],
      "toolbar_field_border": [
        106,
        21,
        0
      ],
      "toolbar_field_border_focus": [
        223,
        84,
        0
      ],
      "toolbar_field_focus": [
        22,
        22,
        22
      ],
      "toolbar_field_text": [
        255,
        173,
        105
      ],
      "toolbar_top_separator": [
        106,
        21,
        0
      ],
      "toolbar_bottom_separator": [
        138,
        30,
        0
      ],
      "ntp_background": [
        72,
        18,
        0
      ],
      "ntp_card_background": [
        22,
        22,
        22
      ],
      "ntp_text": [
        255,
        205,
        158
      ],
      "sidebar": [
        22,
        22,
        22
      ],
      "sidebar_border": [
        138,
        30,
        0
      ],
      "sidebar_text": [
        255,
        173,
        105
      ],
      "sidebar_highlight": [
        138,
        30,
        0
      ]
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7a301b7b-c3e2-40bf-a06b-6d517bbf138b}"
    }
  }
}