Quote Originally Posted by Nikanon View Post

Color films are however actually less sharp than their black and white counterparts. The line pair resolution of color films is much less, likely due to their being made up of coupled dyes and the orange mask that is placed over negative films.
In terms of line pairs per mm, it's not possible to say 'black and white is more than colour' any more than you can say 'Canon DSLRs have higher resolution than Nikon', you'd really have to come up with some specific examples.