Logos
Bot avatar
For a GitLab or GitHub bot user, use the relwolf avatar: relwolf-avatar.png (512 × 512 px, rounded corners).
GitHub App avatar
GitHub crops app avatars to a square and shows any transparent area as a border. This version has a solid, square background: relwolf-app-avatar.png (512 × 512 px).
Set the Badge background color of the app to the same color as the avatar background: #3a2e5e.
Logo
The logo is also available as a SVG.