If i make a flyer Black and White is enough to put a gradient or must make every object black and white ? Thank you

If i make

Designerwoo April 9, 2016, 10:38am 2

Can anyone answer me please ?

Topic		Replies	Views
I want understand clearly about flyer. Graphics Authors	2	320	June 14, 2023
My flyer got rejected Graphics Authors item-feedback	7	438	August 15, 2017
3 Flyers Graphics Authors	4	185	July 30, 2024
On rejection of flyers Graphics Authors print	11	431	January 28, 2024
Opinion thread. Graphics Authors	5	249	February 16, 2019