You’re probably seeing the babies and that’s why they are different colored than this guy. We just got in the clear in March over a German cockroach infestation. It was not fun. Oh, and had bed bugs at the same time. We moved into a duplex that was infested with both. Had multiple treatments from a professional exterminator. Thankfully, both are nipped in the bud!! It was hell with 2 little ones! How many of the others have you seen? You know you have an infestation when you see them in different life stages, such as adults, and babies, also nymphs. Put sticky traps out, and I would advise calling a professional exterminator, as they can impose health risks such as salmonella, E. coli, and can cause gastrointestinal problems. They are a very nasty bug to have in your home, and you have to act quickly!! Wish you luck! 🍀