Examine source code of white theme by Adrian

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "white theme by Adrian",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(255, 255, 255)",
      "toolbar_text": "rgb(0, 0, 0)",
      "frame": "rgb(255, 255, 255)",
      "tab_background_text": "rgb(37, 7, 150)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(3, 0, 4)",
      "tab_line": "rgb(14, 18, 23)",
      "popup": "rgba(255, 255, 255, 0.71)",
      "popup_text": "rgb(19, 2, 89)",
      "icons": "rgb(131, 0, 187)",
      "ntp_background": "rgb(14, 18, 23)",
      "ntp_text": "rgb(3, 0, 4)",
      "popup_border": "rgb(131, 19, 19)",
      "popup_highlight_text": "rgb(131, 19, 19)",
      "popup_highlight": "rgb(206, 206, 206)",
      "tab_loading": "rgb(212, 10, 253)",
      "tab_selected": "rgb(195, 192, 198)",
      "tab_text": "rgb(0, 0, 0)",
      "toolbar_bottom_separator": "rgb(255, 255, 255)",
      "toolbar_field_border_focus": "rgb(131, 0, 187)",
      "toolbar_field_highlight_text": "rgb(248, 255, 0)",
      "toolbar_field_highlight": "rgb(64, 1, 90)",
      "toolbar_field_text_focus": "rgb(7, 23, 102)",
      "toolbar_top_separator": "rgb(255, 255, 255)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{938e161d-c2f8-4a7f-aa6f-0fadf1798ea0}"
    }
  }
}