ok this is far more informative n coherent

https://www.sciencedirect.com/science/article/pii/S004565352...

"This study sought to determine whether black plastic household products sold on the U.S. market contained emerging and phased-out FRs and whether polymer type was predictive of contamination."

and they do say its mostly abs, followed by hips , then pp; and do not say anything about other colors and other materials, plastic or not.