There are a quite number of Prismacolor pencils, every one is used for various effects. Here is your guide for how to organize Prismacolor colored pencils?
How to Organize Your Colored Pencil Collection - Cleverpedia
Premier® Soft Core Colored Pencil Sets
A4 Size Ready to Print Blank Reference Chart for Prismacolor
Prismacolor 3599TN Premier Soft Core 72 Colored
The Best Colored Pencils
Prismacolor Premier Colored Pencils, Soft Core, 24 Count
Prismacolor Colored Pencils Blank Color Chart for Set of 150
Premier® Soft Core Colored Pencil Sets
Prismacolor Premier Colored Pencil Sets