I have but one humble suggestion.
Unless the camera flash is washing out the purple, highlight it with a darker colour.
Mix a little black with some imperial purple. Then highlight it like this:
HighlightingI always like Izzak's painting. But the highlighting should look good if you use a darker purple. Just a thought. ;)
Their comming out good either way. TIME FOR A SLAVE RUN!
And Izzak just linked me to his Diorama with a DE:
DioramaCheers!