The colors you see on computer are not the real one as monitor screen makes color look different. Besides,colors can be affected by printing machines,ink,temperature etc. So RGB or CMYK value are seldom used for color matching since final one will probably be different from what you see on computer.
For solid colors such as purely red, purely green etc, PMS code in paper edition should be offered for printing.
For Gradient colors, it can only be printed directly.
Printing quality depends on files provided for printing. Any file can be printed, but vague image must have bad printing effect.
Vector Image is preferred for printing.
High Resolution Image 300dpi above or image which is still clear enough when zoomed up to cover the product size can also be used for printing.
For text printing, text content and text font can be offered for printing.
Grey / Green Water Repellent Boardshorts , Leaf Pattern Board Shorts With Side Pockets
Stylish Mens Hawaiian Printed Board Shorts Surf No Fading Custom Design
Polyester Boxer Printed Board Shorts Quick Dry Light Blue Sea Wave Pattern
Extra Long Blue Printed Board Shorts For Men Gridding Simple Style Customized Size
Black Custom Printed T Shirts For Mens 100% Cotton Fabric Heat Transfer Printing
3D Digital Custom Printed T Shirts Short Sleeve Quick Dry Complex Designs
Dye Sublimated Custom Printed T Shirts Short Sleeve Polyester Fashion Orange Color
Plain 100 Percent Cotton Men'S Tank Top Shirts , Fashinal Slim Fit Singlet Customized
8 Colors Digital Custom Printed Bags Recycled Plastic Pet Dog Food Packaging
Fancy Custom Printed Bags Luxury Paper Packaging Lamination With Logo Printing
Custom Printed Green Drawstring Bag Strong Rope Recycled For Promotion
White Plastic Soft Loop Handle Bags , Paper Shopping Bags With Handles