colorCodeTag

<script>
  function colorCodeTags(){
    var classTitle = document.getElementsByClassName("ms-vb-title"); // find all tags in the title column
    var colorCode = document.getElementsByTagName("td");// finding all the TD tags
    var i = 0;
    var j = 0;

    for (i = 0; i < colorCode.length; i += 1) {
      for (j = 0; j < classTitle.length; j += 1) {
        if (colorCode[i] != classTitle[j]){
          if (colorCode[i].innerText === "Blue"){
            colorCode[i].innerHTML = "<style>img {height: 20px; width: 20px; display: block; margin-left: auto; margin-right: auto; }</style><img src = 'https://collaboration.merck.com/sites/ngppm-uat/Style%20Library/Images/blue.png'/>";
          } else if (colorCode[i].innerText === "Green"){
            colorCode[i].innerHTML = "<style>img {height: 20px; width: 20px; display: block; margin-left: auto; margin-right: auto; }</style><img src = 'https://collaboration.merck.com/sites/ngppm-uat/Style%20Library/Images/Green.png'/>";
          } else if (colorCode[i].innerText === "Yellow"){
            colorCode[i].innerHTML = "<style>img {height: 20px; width: 20px; display: block; margin-left: auto; margin-right: auto; }</style><img src = 'https://collaboration.merck.com/sites/ngppm-uat/Style%20Library/Images/Yellow.png'/>";
          } else if (colorCode[i].innerText === "Red"){
            colorCode[i].innerHTML = "<style>img {height: 20px; width: 20px; display: block; margin-left: auto; margin-right: auto; }</style><img src = 'https://collaboration.merck.com/sites/ngppm-uat/Style%20Library/Images/Red.png'/>";
          }
        }
      }
    }
  }
    setInterval(colorCodeTags, 100);
</script>