Blog / Beginner's handbook / Color Matching Guide for Print-on-Demand Products
First and foremost, you’re the designer in charge. You want your work to come out as you envisioned it, and don’t want to risk the printing software misrepresenting the colors you chose.
Second, color matching is crucial because you want to meet your customer’s expectations. Remember those “expectations vs. reality” online shopping memes? Imagine that happening to a customer with your products. Yikes.
And third, beautifully cohesive colors just look better and that’s another point why you should focus on color matching from design files to prints.
Here’s what we’ll go through to master the art of color matching:
The writer Roy T. Bennett noted: “It takes sunshine and rain to make a rainbow.” Same goes for color matching.
Before we wander into the world of color, let’s go through my glossary of color printing terminology so you can get a better grip on color matching.
The RGB color model is based on the way how we see colors—with the help of light. Similarly, the RGB color model is used to display images on devices that emit light.
All printers use the CMYK color model. The printed colors are created by overlaying the four colors in CMYK.
Each color model has its own color space and limitations to what it can display. The way color is displayed varies across devices too. For example, the colors you see on your phone screen will look slightly different than on tablets.
Each color spaces have different values for displaying a color. The screenshot below shows how the same color is displayed for different color models.
Color profiles define the color values within a color space they were created in. For example, you take a photo of a tomato and then upload it to Instagram. Your phone will then pass the color profile information to Instagram, so your tomato photo is in the shade of red it was captured in. Most common color profiles are sRGB and Adobe RGB for the RGB color model, PSO Coated v3 and Fogra51 for CMYK.
Learn more: Everything You Need to Know to Prepare the Perfect Print File
When you convert a digital design to a different color space than you designed it in, you alter its gamut. Some of your original colors can change to the closest available colors in the color space you converted it to.
The RGB color space has a broader color gamut than CMYK, so you can lose colors (especially bright neons) when converting a design created in RGB to CMYK.
Color matching is usually done using a design software like Adobe Illustrator or Photoshop.
Now you know all the whats related to color matching and color design. You’re ready to understand the whys.
The designs on your screen won't always match the ones on your printed product 100%.
There are various factors that contribute to color inconsistencies. Let’s go through them so you know what to look out for the next time you’re designing!
CMYK is the color space that’s used for printing designs. RGB, on the other hand, is the color space used by most creators when designing print files and due to technicalities, it’s the color space we recommend uploading your design files in.
Most beginner or web design software supports only the RGB color space. Advanced design programs (see our blog on free Photoshop alternatives!) allow you to switch between the RGB and CMYK color spaces.
If you’re working within the RGB color space and upload that design for printing, our printing software will convert it to the CMYK color space it supports. That’s the risky step where your design can lose some colors it originally had.
The CMYK color space recognizes a smaller range of colors than RGB. If your design has colors outside of the CMYK color space, then our printing software matches those colors to the closest ones in the CMYK color space.
To take color matching in your hands, design within the CMYK color space and then convert to RGB yourself, without losing any colors. Or, if your software doesn’t support the CMYK color space, use an online RGB to CMYK converter to check which colors of your design are out of CMYK color space and adjust those.
Tip! Try out the rgb2cmyk.org color space converter. Select the output format as .jpg and set the CMYK profile to SWOP2006.
Your print outcome varies depending on the fabric you choose to print on. Printful has plenty of options to pick from, like:
We tested how DTG prints show up on different fabric. Fabric made of 100% cotton has a tight weave and, for that reason, it’s the best choice to show off your design in its full opacity. Thicker 100% fabric is more likely to absorb ink, so the final print can have a bit of a faded effect.
Fabric made of poly and tri-blend has a looser weave and, for that reason, it’s the best choice to show off your designs in a faded / vintage kind of vibe.
If you like your designs to have a faded color palette, go for products with blended fabric. If you want that maximum opacity, choose products with 100% cotton.
Learn More: The Ultimate Guide to Types of Fabric
The same color will look different depending on the color of the fabric your design is printed on.
At Printful, we print a white underbase layer beneath prints on colored and dark garments to keep the designs vibrant and colorful. When choosing the right colors for your design, I’d even suggest going with darker shades for lighter colored fabrics to get a more vibrant design.
Let’s go through the steps you can do to assure your design comes out exactly as you envisioned it!
The ideal scenario to get the perfect print color is a combination of actions. I’ll sort these steps, starting with the easiest and most important one.
Remember that neon colors and deeply saturated shades exist in the RGB color space, but our printers support the narrower, neon-less CMYK space.
For the best color quality, you have two routes:
1. Create design files in RGB and steer clear of neons and saturated shades as they simply won’t print!
2. Create design files in CMYK and experiment with neons and saturated shades.
Here’s how to create designs with CMYK:
The settings for switching to this color space is different for each design software. I suggest you do a quick Google search—”switching to CMYK in [the program you use]”.
For the best possible color accuracy for your design, convert the file to sRGB color profile, sRGB IEC61966-2.1 to be exact. Most editing programs have this color profile as default. If yours doesn’t, don’t worry—the regular RGB color space will also work.
Getting your own product samples is a must to assure your designs come out great. It’s an investment that lets you check design placement and color, and overall product quality. Plus, you can use samples for creating top-notch product photos and videos, or use them in giveaways.
How to order product samples:
You can place 1 sample order per month, with a maximum of 3 items when you sign up with Printful. When you complete other milestones, like reach a certain threshold in accumulated sales, you get more sample orders. Read more about Printful’s sample orders.
By creating your own color swatches, you can test only the colors you plan to design with. If your designs or brand colors are monotone, wonderful—prepare a design file with all the colors of gray, red, pink, yellow—whatever! And once you check those colors, you won’t have to test each and every design you create with them.
Here’s how to create custom color swatches:
And you’re done! Upload your custom color swatch on Printful and place a sample order with your design. Once you get your product, you can then decide which colors work and which don’t.
Here’s a custom color swatch our designers created. Our designers tested particular RGB color values and went with this weird shape because why not.
And here’s how the custom swatch printed out. We chose to print on the Bella + Canvas 3001 t-shirt in Soft Cream.
Have you ever created a custom color swatch before? Let me know in the comment section below.
As I said before, you’re the designer in charge. Now you have all this knowledge on color matching and designing for print-on-demand products—time to use it!
I want to hear back from you—what’s your main takeaway from this blog post? What did you find interesting and which design tips will you try out next time you’re in the zone?
Read Next: DTG vs. Screen Printing: Choosing the Right Apparel Printing Method for You
Una specializes in third-party logistics and knows Printful's Warehousing & Fulfillment services from A to Z. She enjoys digging deep into marketing psychology and developing her creative writing skills.
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