The expression 'which contrast with' is correct and usable in written English.
It is usually used when you want to compare two things that are very different from each other. For example, "Many people wear colorful clothing, which contrast with the dark and muted colors of winter fashion."
The buyer's decadence is nicely telegraphed by his lavish digs and picturesquely decayed teeth, which contrast with Frank's no-nonsense professionalism.
Its mirror-quality dark glass walls, which contrast with the colorful mosaics decorating lamp posts in the neighborhood, are also strikingly modernistic.
There are the long thick vowels of "sluggish cream wound curdling spirals" which contrast with the lightly sprung, quick vowels and vivid labial consonants of "Buck Mulligan slit a steaming scone in two and plastered butter over its smoking pith".
These in-your-face outputs are complemented by Rustie's hyper-euphoric sets, which contrast with his usually shy personality and prove his ability to keep a party going until the early hours.
The exquisitely detailed but erratically composed panel, eight feet wide and almost five feet high, displays vestiges of medieval style, as in the clunky clouds which contrast with the meteorologically correct ones on adjoining panels.
Graceland's archives and an Elvis biographer, Peter Guralnick, were consulted to assure authenticity in replicating the modest 1950's furnishings, which contrast with the extravagant 1970's style of Graceland.
Resilience and the financial sector The factors I have outlined above represent a series of threats and worrying trends which contrast with the cheery self-confidence of the British government.
Primate teeth are distinguishable from those of other mammals by the low, rounded form of the molar and premolar cusps, which contrast with the high, pointed cusps or elaborate ridges of other placental mammals.
Amharic, the national language of Ethiopia, uses this mechanism to produce both ejective stops and fricatives, which contrast with the more usual stops and fricatives made with a pulmonic airstream mechanism.
