dark brown sex link chick?

[plymouthrockFarm123]

is there such thing because we have a chick that looks like a brown sex link chick but it it much darker than the other chicks. it is coco coloured with a dark brown spotch on its head with a dark brown line with black outline and a black line thru its eye like this -o- on both eyes.

srry i dont have pics but if u have or found a pic of a chick like that please post it