There may not be any regulations on the background color on which the trademark is printed, but there are regulations for the barcode.
1. Use dark colors for barcodes and light colors for blank spaces
2. Use cool colors for barcodes, such as black, blue, green, and indigo
3 . Use warm colors for blank spaces, such as white, red, orange, and yellow
4. Red can be used for blank spaces, but cannot be used for barcodes
5. If you want to print on transparent packaging , it is recommended to add a background color
6. Avoid using reflective materials, such as gold, silver, and aluminum materials
7. Use solid colors for barcodes
8 . There must be sufficient ink density to prevent gaps
9. The content of the product should not be relied upon to provide color contrast