Great to hear that you are using
https://www.map.army, and thank you for your question.
There are three ways line color is handled, depending on what you need:
1. Affiliation colorBy default we strictly follow the colors for affiliations as defined in the international symbology standards. To change the affiliation of a symbol follow these steps:
2. Black lines (approved graphics)According to military standards, lines are represented in black once they are approved by higher command. To set a layer to "Approved" and change the line color to black follow these steps:
3. Custom line colorWe also provide the option to change the line color on individual layers. To customize the line color for tactical graphics (n-point symbols) follow these steps:

Please do not hesitate to contact us should you have further questions on
https://www.map.army.
Best regards,
the map.army team