I have two who were sold to me as RIR, and they are lighter, too. They do not have any white in their feathers, they have black mixed in. I also have one who was also sold as a RIR and is the dark mahogany color. They are all pretty, and the two lighter ones actually have better personalities. I think they are probably red sex links, actually, even though they were sold as RIRs. As long as they give me eggs, it does not matter to me, as I am not looking to breed. I was a little ticked off when I found out that there was something amiss, though.