Generic red/black OC who is also preggers, and an OC with a color scheme that is way to vivid. Xniclord, you got talent, but the subject matter of almost everything you draw is pretty atrocious. You're better than this!
Black, grey, whatever. Red and black or grey pony OCs are done to death. They are not creative and are a trope that has earned a place to make fun of. Why don't you lot try something a bit more unique. An off red and white could look very nice for example.
You don't know the back story on the 2 so it is not your place to judge. Also A LOT of the main story ponies have vivid color schemes as well. Example Rainbow dash. Pinkie Pie along with Princess Cadance.
But they have a good balance in the colors, that's why it works. If a more pastel or off shade of orange was used, and those weird light brown parts taken out, it would work so much better. The color combination it self is okay, but the shades used makes it seem odd.