What in your opinion what are the most have square bill, and deep crank colors?

Square bill=chartreuse black back 

deep=shad

Don't know much about deep cranking but For square bills

Red (craw) pattern for spring and fall

Bluegill pattern

Sexy shad

Ghost shad

And maybe if you fish real muddy water then a full on highlighter (chartreuse) 

Shad, chartreuse & craw if you want to live large throw in chrome and black