彩色二維碼:如何正確著色
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常見問題(FAQ)
Can QR codes be colored?
Yes, they can be colored as long as there is enough contrast on the QR code itself and its background.
Do colored QR codes work?
Yes, a properly colored QR code works when colors stand out from each other, the quiet zone stays clear, and the final design is tested before it's used.
Can QR codes use gradient colors?
Yes, you can use gradient colors as long as you keep it dark enough against the background. Advanced QR readers or cameras may scan inverted codes, but most standard ones struggle with them, like gradients that fade into plain shades.
Why does a QR code need a quiet zone?
The quiet zone is the clear space around your QR code. It separates the code from nearby text, colors, images, frames, and other design elements. Keep the code’s margin of at least four modules around all sides so scanners can recognize it easily.
What colors should you avoid in a QR code?
Avoid very light, faded, or color combinations with little difference in brightness, like yellow on white, light gray on white, or dark blue on black. These color pairings can possibly blend the QR code’s pattern into its background. Doing so makes it harder for scanners to detect the code.
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