Mom looks mauve and dad looks blue. Blue Silkies can look almost black sometimes. That chick might be mauve too! But I'm not sure on the mauve IDs. @Debbie292d what do you think?
You won't get mille fleur coloring in the first generation. You will get a color that is a mix between the parents. If you keep backcrossing to the father you will eventually get mille fleur coloring.
She has gorgeous patterning on her neck but that is not lacing. She is a black tailed silver. Breeding her with a solid colored bird will not produce laced offspring. The color of the offspring will depend on what color you breed her with.