We have colours.

src/main/java/me/sergiotarxz/bv/BetterVillager.java

@@ -16,6 +16,7 @@ import org.bukkit.NamespacedKey;
 import org.bukkit.metadata.MetadataValue;
 import de.tr7zw.changeme.nbtapi.*;
 import de.tr7zw.changeme.nbtapi.iface.*;
+import org.bukkit.ChatColor;
 
 public class BetterVillager extends JavaPlugin implements Listener {
     @Override
@@ -34,6 +35,31 @@ public class BetterVillager extends JavaPlugin implements Listener {
     }
 
 
+    @EventHandler
+    public void onAsyncPlayerChatEvent(AsyncPlayerChatEvent event) {
+        String message = event.getMessage();
+        char[] messageArrayChars = message.toCharArray();
+
+        String finalMessage = "";
+        boolean isEscape = false;
+        for (char c : messageArrayChars) {
+            if (c == '&') {
+                isEscape = true;
+                continue;
+            }
+            if (isEscape) {
+                if (c >= '0' && c <= '9') {
+                    finalMessage += "§"+c;
+                    isEscape = false;
+                    continue;
+                }
+                isEscape = false;
+            }
+            finalMessage += c;
+        }
+        event.setMessage(finalMessage);
+    }
+
     /** Event handler for when a player right-clicks on an entity. */
     @EventHandler
     public void onEntityInteraction(PlayerInteractEntityEvent event) {