diff --git a/src/static/js/collab_client.js b/src/static/js/collab_client.js
index 437942c84..b0206dd5d 100644
--- a/src/static/js/collab_client.js
+++ b/src/static/js/collab_client.js
@@ -297,7 +297,12 @@ function getCollabClient(ace2editor, serverVars, initialUserInfo, options, _pad)
     {
       var userInfo = msg.userInfo;
       var id = userInfo.userId;
-      
+      // Avoid a race condition.  If our color was set by a query param, ignore
+      // our own "new user" message's color value.
+      if (id === initialUserInfo.userId && initialUserInfo.globalUserColor)
+      {
+        msg.userInfo.colorId = initialUserInfo.globalUserColor;
+      }
       if (userSet[id])
       {
         userSet[id] = userInfo;
diff --git a/src/static/js/pad.js b/src/static/js/pad.js
index d1280694f..71039ae7d 100644
--- a/src/static/js/pad.js
+++ b/src/static/js/pad.js
@@ -98,6 +98,7 @@ function getParams()
   var showControls = params["showControls"];
   var showChat = params["showChat"];
   var userName = params["userName"];
+  var userColor = params["userColor"];
   var showLineNumbers = params["showLineNumbers"];
   var useMonospaceFont = params["useMonospaceFont"];
   var IsnoColors = params["noColors"];
@@ -146,6 +147,11 @@ function getParams()
     // If the username is set as a parameter we should set a global value that we can call once we have initiated the pad.
     settings.globalUserName = decodeURIComponent(userName);
   }
+  if(userColor)
+  {
+    // If the usercolor is set as a parameter we set a global value that we can call once we have initiated the pad.
+    settings.globalUserColor = decodeURIComponent(userColor);
+  }
   if(rtl)
   {
     if(rtl == "true")
@@ -347,6 +353,26 @@ function handshake()
         pad.myUserInfo.name = settings.globalUserName;
         $('#myusernameedit').attr({"value":settings.globalUserName}); // Updates the current users UI
       }
+      if (settings.globalUserColor !== false)
+      {
+        // First, sanitize the color to ensure it's a valid color value.
+        var check = $("<span/>").css("background-color", "white");
+        $("body").append(check);
+        var white = check.css("background-color");
+        check.css("background-color", settings.globalUserColor);
+        // Ensure that setting the element changed the color.
+        if (check.css("background-color") === white) {
+          settings.globalUserColor = "#ff0000";
+        }
+        check.remove();
+
+        // Add a 'globalUserColor' property to myUserInfo, so that collabClient
+        // can avoid a race condition where the server sends collabClient a
+        // "USER_NEWINFO" message with an old colorId after we connect.
+        pad.myUserInfo.globalUserColor = settings.globalUserColor;
+        pad.notifyChangeColor(settings.globalUserColor); // Updates pad.myUserInfo.colorId
+        paduserlist.setMyUserInfo(pad.myUserInfo);
+      }
     }
     //This handles every Message after the clientVars
     else
@@ -1011,6 +1037,7 @@ var settings = {
 , noColors: false
 , useMonospaceFontGlobal: false
 , globalUserName: false
+, globalUserColor: false
 , rtlIsTrue: false
 };