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Design & Customization

Content about customizing QR codes with logos, colors, shapes, formats, and high resolution designs for print and branding.

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Phone scanning a colored QR code on a printed label sheet at a packaging desk

Do QR codes have to be black and white?

Do QR codes have to be black and white? No. We read 24 color pairs on 2 QR readers to see which pass, which fail, and the contrast rules to follow.

Mar 22, 2026

Printed QR code with a small dinosaur icon in the center on a desk

Design & Customization

Why do some QR codes have a dinosaur?

Learn why some QR codes show Chrome’s pixel T-Rex, when the dinosaur can affect scanning, and how to create or avoid the Chrome-generated design for print.

Feb 25, 2026

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