Fixed a bug that resulted (within specific circumstance) in a wrong colour for visibility, when detection coverage is overlaid with visibility. Reported by @Sreeman.

constants.py

@@ -57,6 +57,8 @@ COLOR_V_2 = '#64B5F6'
 COLOR_V_3 = '#1976D2'
 COLOR_V_4 = '#0D47A1'
 
+COLOR_WHITE = '#FFFFFF'
+
 # Detection and visibility overlay color:
 COLOR_OVERLAY_VISIBILITY = COLOR_V_3
 COLOR_OVERLAY_DETECTION = COLOR_D_3

technique_mapping.py

@@ -273,6 +273,8 @@ def _map_and_colorize_techniques_for_overlaid(my_techniques, my_data_sources):
             color = COLOR_OVERLAY_DETECTION
         elif not detection and visibility:
             color = COLOR_OVERLAY_VISIBILITY
+        else:
+            color = COLOR_WHITE
 
         my_ds = ', '.join(technique_ds_mapping[technique_id]['my_data_sources']) if technique_id in technique_ds_mapping.keys() and technique_ds_mapping[technique_id]['my_data_sources'] else '-'