Common Asked Questions
Why is a barcode black and white in color?
2D and 1D Barcodes usually both are black bars and white space because this creates the highest contrast and is the easiest for barcode reader software and barcode scanners to decode.
Using OnBarcode Excel Barcode add-in, you will create and draw barcodes in black and white by default in Excel document. However the barcode freeware provides options to customize barcode
colors in Excel.
What colors should barcodes be avoided?
When you are selecting colors for barcodes, it is important that you have selected colors with high contrast.
If the bar and space module colors are both too light or too dark, the barcode scanner may not be able to decode.
Can barcodes be grey?
Yes. You can choose gray color as barcode bar modules color. However you need make sure the space color and bar color have high contrast.
You can customize the barcode bar and space colors through
property
Fore for bar module color, Back for space module color (barcode background color) in Excel Barcode add-in.
Do QR Code colors matter?
QR codes don't have to be black and white in order to be scannable. You can choose right colors to increase brand recognition. However you
need choose color combination with high contrast for QR Code bar and space colors.
Using OnBarcode Excel Barcode freeware, you will easily customize the QR Code colors from
property
Fore for QR Code bar module color,
Back for QR Code space module color in Excel "Barcode Settings" pane.
What is the inverted color barcode?
An inverted barcode is printed using white bar modules color and black space module color. However some barcode scanners cannot scan and decode the
inverted barcodes.
