Update app.py

app.py

@@ -740,7 +740,7 @@ with tab3:
             fig, ax1 = plt.subplots(figsize=(20, 5), layout='tight')
  
             color = 'tab:blue'
-            color2 = 'tab:yellow'
+            color2 = 'tab:orange'
             ax1.set_xlabel('Date') 
             ax1.set_ylabel(str(plot_var1 + " / " + plot_var2), color = color) 
             ax1.plot(graph_data['Date'], graph_data[plot_var1], color = color)