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What is Spot White Anyway?

What is Spot White Anyway?

Prime Time

In the world of custom label printing, there are many different names for the same thing. You may have heard the terms “underprinting”, “base white”, or “underwhite.” In our neck of the woods, we call it “spot white.”

In the simplest terms, spot white is a primer layer of white that is printed first–before your cyan, magenta, yellow, and black. This primer layer of white acts as a barrier between your design and the base material which gives us a blank canvas to print on.

 Keeping it bright

Dig way deep into your childhood memories and imagine for a moment that you’ve just opened a brand new box of jumbo Crayola markers. That yellow marker looks bright and fun and catches your eye. You take it out and draw a friendly sun shining on your white sketchpad. That blank white canvas really allows the yellow to stand out from the page.

But what if you were drawing on a brown piece of Kraft paper? Same marker. Same sun. But you would most certainly see a different work of art. That yellow wouldn’t appear nearly as bright or vibrant. 

Notice the roses on the left side, the inks appear less vibrant since they are printed directly onto the kraft. The same roses are on the right, but a primer layer of spot white has been printed first making the inks pop. No spot white and spot white offer two completely different looks even with the same artwork.

The same principles apply in digital printing! If you are printing on a White material–like White Paper or White Plastic, you do not need that primer layer of white. However, if you are using a colored base material, like Kraft Paper or Black Vellum–you will certainly need a layer of spot white printed underneath to help your colors stand out.

A Jack of All Trades…

Pro Tip: The need for this spot white barrier also comes into play when you are printing on Clear, Metallic, and Holographic materials.

With clear or transparent labels, spot white keeps your design opaque and helps your colors maintain vibrancy. Without that layer of white underneath, the surface that you’re applying to shines through and washes out your carefully designed colors! If you do not want the colors of your packaging or your product to interfere with your design, you definitely need some spot white.

spotwhite custom label

The cherries on both labels do not have a layer of spot white behind them; however, once a white piece of paper is put behind the cherries, they appear more vibrant…this is the concept of spot white.

With our Metallic and Holographic materials, the raw material is actually a shiny silver. Anything printed directly onto the silver will still allow the metallic effect to shine through. But you may not want the entire label metallic! After all, metallic works best for minimal accents. This is where spot white comes in handy. Spot white acts as a barrier to block out the metallic effect entirely. This will allow you to control which areas you want metallic, and which areas you want non-metallic.

spotwhite custom label

The green arrow, axe, and knife do not have spot white behind them. This allow the metallic material to shine through the green ink. The cream background does have a spot white layer and that blocks the metallic from effecting the ink. 

Pro Tip: When setting up your artwork, you can always include a separate layer called “Spot White.” This will let us know exactly where you want that base layer of white to be printed.

If you are not sure how to set up your file or if you have questions about what you might need, always give us a call 877-277-4682 or email us at Any one of our customer experience team members would be happy to answer your questions and give you some suggestions. As always, happy printing!

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