I did this cross twice 12 years ago.
Using a EE or Ameraucana Rooster with slate colored skin/legs x RIR Hens with yellow skin/ legs.
Male chicks hatched out with yellowish colored legs, females hatched out with slate skin / legs.
All my pullets from crossing laid greenish moss colored eggs.
Was...
I noticed that when I had my EE Roosters x Rhode Island Red's, Welsummers and Gold and Silver Wyandotte's Hens, this cross is a sex-link, all the male chicks will have yellow legs and females greenish legs on 1st generation all had peacombs.
Only works on first crossing.