Dante: *tries to drag her away* No, Vip! Viper, you said you'll stay away from the issue!
I have to, I will not be able to sleep peacefully if I don't say this!
I think there is a reason why the confusing palette for Trish was shown in same scene with Sparda costume.
In the Bracelet of Time's description (item from Bayonetta based on item from DMC1), Eva is a historical witch who entered into a contract with a "Legendary Dark Knight"—the latter description being Sparda's famous moniker.
Jeanne's formal outfit:
Bayonetta wears all black, so just sticking glasses and changing hair color on Trish would be too little of a change, hence why I think they mixed colors a bit. Or it could be something about copyright, I don't know.
*gets carried away by Dante* I have spoken, the rest is up to you.