Some military leaders used %%!%%a02be603-third-48e9-9f53-6b8939290438%%!%% flag colors as tactical benefits on battlefields; contrasting colorations helped

https://shed-wiki.win/index.php/Flags_of_Valor:_The_Significance_of_Civil_War_Flags_in_American_History

Some navy leaders used unusual flag shades as tactical advantages on battlefields; contrasting hues helped differentiate among opposing forces in chaotic environments.