Examine source code of light matcha

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "matcha",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-020-48c286b34e53380d46803c2e5603a5b2.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(68, 135, 85)",
      "toolbar_text": "rgb(215, 226, 239)",
      "frame": "rgb(253, 253, 147)",
      "tab_background_text": "rgb(84, 84, 84)",
      "toolbar_field": "rgb(23, 79, 29)",
      "toolbar_field_text": "rgb(0, 248, 255)",
      "tab_line": "rgb(191, 150, 101)",
      "popup": "rgb(23, 79, 29)",
      "popup_text": "rgb(46, 225, 117)",
      "tab_loading": "rgb(191, 150, 101)"
    }
  }
}