We have some knowledge of uniform liveries worn by soldiers in the 15th century (white and red for Lubeck town levies, for example), but we also often get depictions of soldiers wearing mismatched colours - like the mercenaries in the painting depicting the siege of Malbork.
On a somewhat less historically accurate note, behold Gerolt of Riga, a Latvian mercenary with high professional ethics.
Soundtrack: https://www.youtube.com/watch?v=bHqSw44eDU0
The Regiment of the 44th Good Root Disciples was formed partly because of the unfortunate demise of the 43rd regiment, and partly because of...
