Those uniform colours sound intrigueing.
Any ideas what minis to use?
Argonor, I fancy you ask for the vatican swiss guard.
If yes, try to choose some from the foundry's landskenecht ranges [I mispelled this and I cannot correct it now], so,
try foundry's sea dogs collection or rennaissance ranges:
http://www.wargamesfoundry.com/collections/CUT/index2.aspof course other ranges from other manufacturers might also have useable figures!
The Vatican Swiss Guard actually has a renaissance uniform, rumoured to be designed by Leonardo Da Vinci [or it was MichaelAngelo] himself. Also note that when undress they have a plain blue uniform. also when not in "morion" helmet they do wear a beret shaped cap.
try those foot pikemen in morions or berets.
So, you may use these renaissance figures with much success in VSF or even more modern settings!
See also these:
http://www.mirliton.it/index.php?cName=italian-indip-wars-papal-state[as a side effect: some of foundry's seadogs can be converted to yeomen of the guard -british tower guards of VSF and today]
More, for the uniform purists: The Vatican Swiss Guard's uniform was little altered by the age and is now a little more modernised. The Renaissance Landsknechts [this time correctly written] wore a much more elaborate uniform.
Hope I gave you a hint.
[imagine a rennaisance figure obtaining from an umbrella holder/bucket an uzi submachine gun!!!! not SF but pure fact]