When choosing colours for your barcodes, selecting the right shades is crucial to enhancing the scanning process's efficiency and accuracy. Properly selected colours ensure that barcodes are easily readable by scanners, minimising errors and expediting the process. This article delves into why optimal barcode colours matter and the considerations to make for efficient scanning.

The above images display acceptable barcode colour combinations (these barcodes are easy to scan and decode).

The Significance of Selecting Optimal Barcode Colours

Selecting the right colours for your barcodes is vital to ensuring they stand out against their background and are swiftly and accurately scanned. Typically, optimal barcode colours involve high-contrast pairs like black on white or white on black, facilitating easy scanner readability. If colours are too similar, scanning errors and delays may occur, as scanners struggle to distinguish between the barcode and its backdrop. Moreover, the choice of optimal barcode colours is essential for readability under varying lighting conditions. For instance, in low-light scenarios, high-contrast colours can boost scanning accuracy. Conversely, overly bright or reflective colours can create glare, making it difficult for scanners to read the barcode.

Can My Barcode Have a Coloured Background?

Yes, barcodes can have a coloured background, but it’s imperative to use a light shade to maintain high contrast with the black bars. Avoid black backgrounds since scanners cannot detect the left and right white 'quiet zones'.

While black bars on a white background is ideal, some other colour combinations can also be effective. However, not all colours are suitable. Consider these guidelines:

White and warm colours (yellow and red) are invisible to barcode scanners, making them suitable for the barcode background.

Black and cold colours (blue, purple, green, and dark brown) are visible to barcode scanners, making them appropriate for the vertical bars.

Contrast is critical. The vertical bars should be darker than the background to ensure readability. It’s recommended to test your printed barcode label with various scanners to ensure readability, as scanner colour calibrations can slightly differ.

By opting for high-contrast colour combinations, factoring in lighting conditions, and considering the requirements of the scanning technology, you can ensure your barcodes are easily readable and quickly scanned.

For more insights on barcode colours, dimensions, and placement, visit Barcode1 Australia at https://barcode1.com.au/.