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Does the color of the QR code affect it's reliability?

Does the color of the QR code affect it's reliability?

Yes. In a QR code the dark bits are always interpreted as data so the dots always need to be a darker color than the background. The reliability of the QR code is also determined by the contrast difference between the dots and the background, so pale grey dots on a white background will be difficult for some scanning devices to read and the code may not function properly.

Short version: Choose whatever colors you want but always make sure the dots are a significantly darker colour than the background - we suggest at least 70% darker to ensure reliable scanning.

...and always test your QR code to make sure it works using the colors you've chosen.

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Delivr® is a privacy-first software and services company serving thousands of businesses looking to drive audiences from offline to online experiences. Established in 2008, Delivr has developed software to track and visualize consumer engagement with print and broadcast media, labels and packaging. With Super Simple Serialization℠ and TrueMrk®, Delivr is extending its martech product suite to serialize and authenticate products. Headquartered in the USA.