The eggs are from me and I don't have a white breeding pen. I did have a lovely cockerel and 3 white hens, but lost the cockerel...couldn't find another one...so I sold the white hens. That was prior to shipping the eggs to the OP.
I really think this is going to be a splash chick. Now, I do have 2 black split/lav hens and a splash split/lav cock in the BBS pen. I think the OP is wondering if there is a possibility that this could be a lavender. While it is a genetic possibility to hatch a lavender from these eggs, I do not believe that this is one.
My splash often hatch with slightly yellowish down mixed with a bit of smoky color.