The screenshot below illustrates how different events are colored on the map:
The color scheme is:
Besides, the blue My Location spot appears if applicable.
The same track displayed with other Map settings:
The same scheme is used in the corresponding Eventlist (only the start is shown here):
Also the Report body uses these colors. And the Sailor Logbook Website.
Sailor Logbook S App manual - © Copyright 2018 CoaSoft ApS Denmark