It's 139 KB - within the limit. It's a jpg. It shows as the picture and as a thumbnail. When I select Upload, the red message over the pics appears. I have not had this issue on other sites.
1Password Version: 5.3
Extension Version: 4.4.3
OS Version: 10.10.5
Sync Type: iCloud
Referrer: kb-search:I can't upload the photo to change mine - 139 KB