Examine source code of Racing-Green

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#faf2f2",
      "tab_background_text": "#faf2f2"
    }
  },
  "version": "2.0",
  "name": "Racing-Green",
  "manifest_version": 2,
  "description": "Just a plain theme with the iconic british racing green as a base color (#004225)."
}