diff --git a/osc/main.py b/osc/main.py
index cc789de..075bfe3 100644
--- a/osc/main.py
+++ b/osc/main.py
@@ -8,6 +8,15 @@ edge_attrs = {
     'arrowhead': 'vee',
 }
 
+edge_colors = {
+        'T': 'red',
+        'F': 'yellow',
+        'B': 'green',
+        'X': 'blue',
+        'L': 'purple',
+}
+
+
 g = Digraph('G', filename='graph.gv', format='png', engine='circo', strict=True, edge_attr = edge_attrs)
 
 g_lock = threading.Lock()
@@ -30,7 +39,7 @@ def print_edge(address, *args):
     if v == -1:
         return
     with g_lock:
-        g.edge(str(v), str(w))
+        g.edge(str(v), str(w), color=edge_colors[t])
     print(args)
 
 def update_loop():
@@ -38,6 +47,7 @@ def update_loop():
         g.render("Test")
         time.sleep(0.4)
 
+
 ul_thread = threading.Thread(target=update_loop)
 
 ul_thread.start()