Design4 min readMay 16, 2026
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How to Customize QR Code Colors Safely without Scan Issues

Learn the exact color contrast rules and standard hex codes that ensure your customized colored QR codes scan flawlessly every time.

The golden contrast rules

Always maintain a high contrast ratio between your foreground dots and the background. Avoid using light yellow, cream, or pastel colors for the foreground, and never mix dark blue dots with black backgrounds. Dark dots on a light background is the most reliable structure.

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