title: How do I receive data from the page into a chrome extension?
body: <p>I've seen similar questions but the slight difference in what they wanted caused me to fail to convert it to what I want.</p>
  
  <p>I want to be able to fetch info such as background color from the web page into the extension and be able to work with it in the extension. I already have writing to the page down, but not so much on receiving data from it.</p>
  
  <p>From what I understood, get and sendRequest was for interaction between files in the extension, not for interaction with the page.</p>