fix color col

src/streamlit_app.py

@@ -367,6 +367,8 @@ def render_chart(
 
                 if active_incident_col is not None:
                     x_col = "_incident_label"
+                if color_col in incident_cols:
+                    color_col = "_incident_label"
 
                 if view_horizontal_stacked:
                     df_plot_copy[color_col] = df_plot_copy[color_col].astype(str)