After a delete command delete 2, the color of the output box will change:

If a normal command is provided to interrupt the delete, the color of the output box will sometimes change back to normal:

On other occasions, it will not return to normal. It is unknown what exactly causes the problem and I am unable to replicate it consistently.

However, the color change will definitely not happen when a command that throws an error is used.

After a delete command
delete 2, the color of the output box will change:If a normal command is provided to interrupt the delete, the color of the output box will sometimes change back to normal:
On other occasions, it will not return to normal. It is unknown what exactly causes the problem and I am unable to replicate it consistently.

However, the color change will definitely not happen when a command that throws an error is used.