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How to choose the printing color of the product barcode?

Scanning device reading is achieved by distinguishing the boundary and width of the bar space. Therefore, the higher the color contrast between the bar and the space, the better, that is, the space color should be as light as possible, and the bar color should be as dark as possible. 1, Light color can be used as background color: white, orange, yellow. 2Dark colors can be used as strips: black, dark blue, dark green, dark brown. 3, Safest contrasting colors: white, black. 4, Prohibited color: red.Qualified collocation, such as: black on white, blue on white, black on orange, blue on orange, green on white, dark brown on white, green on orange, black on yellow, blue on yellow , black bars on red background, blue bars on red background, green bars on yellow background, dark brown bars on yellow background.Unqualified collocations, such as: yellow bars on a white background, orange bars on a white background, red bars on a green background, blue bars on a dark green background, red bars on a white background, light brown bars on a white background, red bars on a blue background, red bars on a light brown background, Black bars on a green background, black bars on a dark green background, gold bars on a white background, black bars on a blue background, black bars on a dark brown background, orange bars on a gold background, and red bars on a gold background.

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