Marc Jacobs and Marc by Marc Jacobs

I have visited the internet shopping web-site.And I have found some of the"Marc Jacobs"'s and "Marc by Marc Jacobs"'s products.There is a big different bertween these two brands.Marc by Marc Jacobs is a subline under Marc Jacobs.However their styles and their taget customer are not exactly the same.Now,you can see the pictures of these two brands:

Most color sehemes used in Marc by Marc Jacobs are
Triadic Color Scheme
Analogic Color Scheme

Most color sehemes used in Marc by Marc Jacobs are
Achromatic
Monochromatic Color Scheme

because of the target of the brand,Marc jacobs has different designs to his works.The factors of the celebrities , the envirnoment in hos courtry,the ideas of his working partners and the age,income,habits of his target customer......affects the color of the designs and the whole feelings of the clothes.There is no doubt that Marc by Marc Jacobs targets to the younger customer than Marc jacobs does.