Examine source code of Green Light Theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Default theme - Bhuvan",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(29, 32, 32)",
      "toolbar_text": "rgb(95, 246, 219)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(54, 246, 210)",
      "toolbar_field": "rgb(146, 249, 214)",
      "toolbar_field_text": "rgb(13, 14, 14)",
      "tab_line": "rgb(35, 205, 179)",
      "popup": "rgb(105, 108, 108)",
      "popup_text": "rgb(255, 255, 255)",
      "popup_border": "rgb(70, 215, 142)",
      "sidebar_border": "rgb(70, 215, 142)",
      "tab_background_separator": "rgb(42, 245, 164)",
      "toolbar_bottom_separator": "rgb(70, 215, 142)",
      "toolbar_field_border_focus": "rgb(13, 145, 90)",
      "toolbar_top_separator": "rgb(70, 215, 142)",
      "toolbar_vertical_separator": "rgb(70, 215, 142)",
      "tab_loading": "rgb(35, 205, 179)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{742be45b-3bff-476e-b43f-ea47469f1e46}"
    }
  }
}