Logos
Logo image guidelines
Google Wallet masks your logo into a circular shape.
The following is a list of user interface recommendations for logo images:| Guideline | Description |
|---|---|
| Preferred file type | PNG |
| Minimum size | 660 px by 660 px |
| Image aspect ratio | 1:1 |
| Artwork aspect ratio | 1:1 |
| Actual pixel size | Scale to device size |
| Logo circular mask |
Your logo is masked to fit within a circular design. Ensure that your logo fits within the Safe Area. Don't pre-mask your logo. Leave the logo in a square with a full bleed background color. The logo needs to have a 15% margin so that it isn't cut off when masked. 
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Google Wallet masks your logo into a circular shape.