Examine source code of Venti Color Theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Anemo",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-034-e0dfa84411058d2e5627f19f1ea501ca.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(14, 159, 135)",
      "toolbar_text": "rgb(228, 255, 248)",
      "frame": "rgb(186, 228, 208)",
      "tab_background_text": "rgb(14, 159, 112)",
      "toolbar_field": "rgb(233, 201, 157)",
      "toolbar_field_text": "rgb(18, 105, 91)",
      "tab_line": "rgb(0, 255, 198)",
      "popup": "rgb(228, 255, 248)",
      "popup_text": "rgb(2, 217, 168)",
      "icons": "rgb(0, 255, 198)",
      "popup_border": "rgb(0, 255, 198)",
      "popup_highlight": "rgba(0, 255, 198, 0.38)",
      "tab_background_separator": "rgb(41, 0, 255)",
      "tab_loading": "rgb(148, 225, 255)",
      "tab_text": "rgb(0, 255, 198)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{13caf67d-7a4e-4b00-8272-7b548c3755ab}"
    }
  }
}