No, they were male Bluegill in spawning colors, much like the one shown in this link. They had very red bellies and a lot of blue on their heads. The females were much lighter colored. (I did catch a couple of female Bluegill too, but mostly males.) https://panfishnation.com/male-blueg...male-bluegill/
I have caught a lot of Pumpkinseed Sunfish at Hemet Lake, Big Bear and other places, and I know the difference between them and Bluegills. Pumpkinseeds are usually a lot smaller than the Bluegills, too. I like catching them nonetheless, but the Bluegill population currently seems much larger than the Pumpkinseed population at Hemet Lake.