Nadine's paycheck contrasted sharply against her true value to the company.
Nadine's paycheck contrasted sharply with her true value to the company.
Nadine's paycheck contrasted sharply against her true value to the company.
Nadine's paycheck contrasted sharply with her true value to the company.
The verb "contrast" idiomatically takes the preposition "with" — "to contrast P with Q." All other prepositions are incorrect.