Examine source code of Material You Leaf Green

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Material You Leaf Green",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(28, 52, 57)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(178, 203, 209)",
      "tab_background_text": "rgb(28, 52, 57)",
      "toolbar_field": "rgb(51, 75, 80)",
      "toolbar_field_text": "rgb(221, 225, 255)",
      "tab_line": "rgba(102, 153, 141, 0)",
      "popup": "rgb(51, 75, 80)",
      "popup_text": "rgb(205, 231, 237)",
      "ntp_background": "rgb(5, 31, 36)",
      "sidebar_border": "rgba(0, 255, 195, 0)",
      "tab_loading": "rgb(102, 153, 141)",
      "tab_text": "rgb(255, 255, 255)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{171574ec-8f5e-4512-8fec-f7f1ce6549ad}"
    }
  }
}