Black and Blue on the left are shown for comparison, taken from a Lens Specialist NPC’s color selection. The character sprite on the far right shows how the facestyle is supposed to look like. I just noticed today that the female facestyle Secret Peach Face uses an incorrect frame for all colors. Black appears to be the only color using the final blinking frame, while all other colors are stuck on the “about-to-blink” frame instead of the default frame. It should look like this: https://maplestory.net/discover/fashion/face/51190/secret-peach-face