As the name implies, the top of the Red Spotted Purple butterfly's wings are...purple.
This Beautiful Butterfly is Common in South Carolina
![Red Spotted Purple butterfly.](https://npr.brightspotcdn.com/dims4/default/a83faff/2147483647/strip/true/crop/869x1023+0+0/resize/880x1036!/quality/90/?url=http%3A%2F%2Fnpr-brightspot.s3.amazonaws.com%2Flegacy%2Fsites%2Fwltr%2Ffiles%2F201607%2FRed_spotted_purple.jpg)
Ltshears, via Wikimedia Commons
As the name implies, the top of the Red Spotted Purple butterfly's wings are...purple.