WordPress provides four different ways to show messages in the admin area. These four are common to many types of software, not just WordPress.
- Success: This means the the user triggered an operation which was successful.
- Error: This means the the user triggered an operation which was unsuccessful.
- Warning: There may be some issues with the currently selected settings.
- Info: The user needs to be aware of a special message.
WordPress has specific designs for these types of message:
- Success: green left border.
- Error: red left border.
- Warning: yellow/orange left border.
- Info: blue left border.
Here is a screenshot showing how these notices used in the WordPress admin area:
These next screenshots show real-life examples of these notices in the WordPress admin area.
If you want technical details on how these notices work, visit this official WordPress documentation. These colors are reflected in the “Admin Notices” area of the PublishPress Capabilities screen. In the image below, this feature is organizing 2 success messages, 3 error messages, 1 warning message, and 1 info message.
