Examine source code of Luminescent

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Luminescent",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-039-717a66ba4d455686088c80f391cb3264.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(25, 24, 25)",
      "toolbar_text": "rgb(165, 218, 92)",
      "frame": "rgb(100, 100, 98)",
      "tab_background_text": "rgb(228, 237, 237)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(255, 6, 10)",
      "tab_line": "rgb(53, 158, 97)",
      "popup": "rgb(220, 227, 217)",
      "popup_text": "rgb(179, 101, 42)",
      "tab_loading": "rgb(53, 158, 97)"
    }
  }
}