Obviously I'm not a staff member, but this should be fine since I asked dizzy if I could use limited colour palettes for my own pieces and they allowed it! I also showed them the following as examples for reference (listed below with credit to the original artists). 2/4 of my entries have limited/tweaked palettes and they were accepted. I'm pretty sure that staff don't expect colours to be
exact, and limited palettes in particular allow you to stray away from a character's exact colours. I think what's most important is that the character is still recognizable with key features, and you don't need to rely on precise colour(s) for that.
Hopefully this helps you guys and anyone else who's still working on their entries. :>
The examples of limited colour palette art I shared to dizzy (and Destani later on):
Credit to
sr005
View attachment 580196
Credit to
zeeorzero
View attachment 580197
Credit to
drkav
View attachment 580198