Four-Color Process Screen Printing is a method of printing that uses four colors (Cyan, Magenta, Yellow, and Black) to produce full-color images.
Cyan, Magenta, Yellow and Black are also called Process Colors and are used in Four-Color Printing to reproduce other colors.
Some colors such as green and orange are especially difficult to reproducing in the CMYK model. If you want that green and orange were brighter and saturated, they can be printed as additional Spot Colors.
Acceptable File Formats
Also Accept file format:
Service Included:
- Four-Color Process (CMYK)
- (Color separation of your design into four process colors: Cyan, Magenta, Yellow, and Black) White Base for dark T-Shirts
- White Base for light colored or pastel T-Shirts
- Highlight White
- Brightness and Contrast Adjustment
- Color Correction
- White Balance Adjustment
- How to print color separations from Photoshop

CMYK process separation mixes 4 main colors (cyan, magenta, yellow, black) to produce a full color image. This technique is commonly used in offset printing. When screen printing with process inks some colors like orange, bright red, and green are difficult to reproduce and may be generated by additional screens in order to reproduce a vivid print. Top white may also be used in order to help blend colors and give the image a pop.
Unlike the above separation techniques, CMYK process inks are transparent and can only be printed on light or white garments. Although process prints have be reproduced on darks using underlays, I recommend printing with simulated process on darks to achieve a brighter more consistent print.
All process-color separations use Cyan, Magenta, Yellow, and Black to create the colors in an image. These translucent colors blend on-press to create the myriad colors of an image. Process color separations can be made by converting a file to the CMYK mode using Adobe Photoshop®. CMYK inks are transparent and must be backed with white or used on a white background for color fidelity.
Even though most colors in an image will reproduce satisfactorily, to achieve very good results usually require more then just the 4 basic CMYK colors. Adding a highlight white increases contrast and some colors as deep-saturated orange and greens simply do not work well without enhancement. Additional add-on colors may be required for spot color matching or out of gamut colors.
- Recommended for white or light colored garments. Increased difficulty on dark garments
- Requires the least number of screens for a full color image
...the color separation component of your business is critical to maximize press throughput and this is our business... Pre-press work that stabilizes on-press variables.
The Indispensable Role of Expert CMYK Color Separation in Printing
In the vast landscape of modern printing, particularly for processes like offset lithography, digital printing, and even certain types of screen printing, CMYK color separation isn't just a technical step; it's the bedrock of accurate and vibrant reproductions. While general color separation is vital, specialized CMYK separation demands a nuanced understanding that directly impacts the final printed product. Contracting a high-quality CMYK color separation service is paramount for any business aiming for professional and true-to-design prints.
CMYK, standing for Cyan, Magenta, Yellow, and Key (black), is the subtractive color model used in printing. Unlike RGB (Red, Green, Blue) which is for screens, CMYK pigments mix to absorb light, creating a spectrum of printable colors. The challenge lies in precisely breaking down an original RGB design into these four component plates. Errors in this process can lead to a host of problems: colors that don't match the original, muddy tones, a lack of depth, or even unwanted color casts in "neutral" areas like grays.
A professional CMYK color separation service employs sophisticated software and, more importantly, human expertise to meticulously convert digital art into print-ready CMYK files. They consider factors like dot gain, ink limits, and GCR (Gray Component Replacement) or UCR (Undercolor Removal) to optimize color accuracy and ensure efficient ink usage. This precision prevents costly reprints, minimizes material waste, and guarantees that the final printed piece faithfully represents the original artwork.
Ultimately, the quality of your CMYK color separation directly dictates the quality of your printed output. It's the difference between a design that merely exists on paper and one that truly pops, engaging the viewer with its accurate colors and crisp details. For any printing project where color fidelity is crucial, investing in a top-tier CMYK color separation service is not an expense, but a critical investment in your brand's image and the success of your printed materials.