Examine source code of primary colors theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "primary colors ",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-031-9570e8d1f7a5f835c92e764693337f43.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(255, 104, 95)",
      "toolbar_text": "rgb(14, 0, 255)",
      "frame": "rgb(52, 85, 255)",
      "tab_background_text": "rgb(255, 253, 210)",
      "toolbar_field": "rgb(252, 255, 151)",
      "toolbar_field_text": "rgb(0, 5, 5)",
      "tab_line": "rgb(255, 255, 0)",
      "popup": "rgba(255, 241, 0, 0.47)",
      "popup_text": "rgb(90, 2, 9)",
      "button_background_hover": "rgba(234, 26, 14, 0.68)",
      "icons": "rgb(255, 234, 0)",
      "ntp_background": "rgba(255, 250, 94, 0.23)",
      "ntp_text": "rgb(26, 25, 0)",
      "popup_border": "rgb(3, 37, 253)",
      "sidebar_text": "rgb(16, 15, 2)",
      "tab_loading": "rgb(241, 12, 6)",
      "tab_selected": "rgba(255, 252, 130, 0.91)",
      "tab_text": "rgb(5, 5, 54)",
      "toolbar_field_focus": "rgba(255, 247, 152, 0.23)",
      "toolbar_field_highlight_text": "rgb(8, 2, 0)",
      "toolbar_field_highlight": "rgba(0, 207, 255, 0.48)",
      "toolbar_field_separator": "rgb(8, 91, 239)",
      "toolbar_field_text_focus": "rgba(44, 4, 4, 0.23)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{00e49cd8-0dd9-4c60-b813-6e913f0a3679}"
    }
  }
}