white crested

Long time lurker, first time signing up and posting! tl;dr What pairings will result in the best coloured chicks? I have quite a pretty bunch of polish at the moment but new to colour genetics and matter how much Google trawling I do, I just can't seem to get to grips with the base elements I...

A friend of mine breeds chickens, she was just about to start breeding Polish and was very excited, until her only Polish Rooster dropped dead. Now she can't find anyone who has what she needs. My Solid white Polish is too handicapped to breed. She needs either a White crested black or a solid...