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|Paper Packaging FAQ
Paper Packaging FAQ2019-06-25T13:13:29+00:00

Paper Packaging FAQ

What is the difference between RGB and CMYK color profiles?

RGB

RGB stands for Red, Green, and Blue and is used for digital design. RGB are additive colors, meaning when you add more or less of red, green, and blue you will create darker and lighter colors. RGB can achieve some colors that CMYK can’t and colors can appear more saturated in RGB than in CMYK.

CMYK

CMYK colors are created during the printing process. This is why they are also commonly known as “process” colors or “process” printing. Four ink colors (Cyan, Magenta, Yellow, Black) are used to create all the possible color variations. CMYK offset printing uses tiny dots known as halftones to create an image. When the colors are laid on top of each other they create the final color the eyes see. For instance, yellow and blue (cyan) halftones will create a green color to the human eye.

What is the difference between PMS and CMYK color profiles?

PMS

PMS colors are mixed with a specific formula of various inks before printing to perfectly match a certain color. PMS or “Pantone” colors are also commonly referred to as “Spot” colors in the printing world.

CMYK

CMYK colors are created during the printing process. This is why they are also commonly known as “process” colors or “process” printing. Four ink colors (Cyan, Magenta, Yellow, Black) are used to create all the possible color variations. CMYK offset printing uses tiny dots known as halftones to create an image. When the colors are laid on top of each other they create the final color the eyes see. For instance, yellow and blue (cyan) halftones will create a green color to the human eye.

Offset Printing Basics

Offset printing is always done in CMYK. The offset printer that is used for paper cartons is a 5 color process. We have 5 printing units – 1 unit must be used for Cyan, 1 unit must be used for Magenta, 1 unit must be used for Yellow, 1 unit must be used for Black, and the final unit can be PMS matched.

Offset printing is done by transferring the inked plate image to a rubber blanket and then onto the paper. This process results in a higher quality image than digital printing and is the reason why we can add a Pantone matched color to the product.

Common Terms

Registration:

The method of aligning colors onto one single image.

*An exaggerated image of misaligned registration

Knocked out/ Knockout:

Removing one color from below another to create a clearer image.

*Comparison of overprint vs. knockout printing

Color Profile:

A set of data that describes the properties of the colors that a printer can output.

Sheet Fed Press:

A printing press that prints an order on single paper sheets instead of a roll of paper.

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