I feel gen disappointed and sad for black people who are so self hating that they stoop down to doing shit like this. You're not the exception, racists would hate you too even if you're sucking up to them.
"People need to stop whitewashing Penny in their fanarts and accept the fact that she's black. In The Inquisition, it was confirmed that if Penny ever turned human, she would be a black girl. This problem has been in the fandom for a while, and It's not cool at all."