In the question list we see that there are some questions which are pink. What is the reason of this situation?

  • $\begingroup$ Do you happen to have some favorite tags? Maybe what you see as "pink" questions which have favorite tags. (I believe this depends on the design/color scheme of the site. On Mathematics the questions in favorite tags are light blue. $\endgroup$ – Martin Sleziak Aug 15 '17 at 15:27
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    $\begingroup$ As with all such questions, a screenshot is worth the effort. $\endgroup$ – Asaf Karagila Aug 16 '17 at 6:38

The questions which are in different color are those ones, which have one of your watched tags. (This feature used to be called favorited tags, but it was later renamed.)

From What do “watched tags” and “ignored tags” do?

  • Questions with these tags become highlighted on the front page.
  • Questions with new activity are shown on stackexchange.com/filters.
  • In the review queues, questions from these tags are shown to you before other questions.

The actual color is different for various sites - it depends on the design and color scheme of the actual site. (For example, they are highlighted with different color on Mathematics than on MathOverflow. The highlighting can differ even between main site and meta - for example, if you have some watched tags here on MathOverflow Meta you can see that they get grey-ish background color.)

On MO, it looks something like this:

screenshot from the main site

And this is from Meta MathOverflow:

screenshot from the meta site


Whenever you happen to have the privilege to see deleted questions or answers, they are given a reddish background to differentiate them from the rest.

  • $\begingroup$ @Dorias Thank you. But I found a non deleted question with this situation. I directly asked the moderator via "flag" that question. $\endgroup$ – Ali Taghavi Aug 15 '17 at 13:44
  • $\begingroup$ Ali, I don't see what you are seeing. All I can think of is that it's an issue with your computer, and that maybe clearing the cache of your web browser might help (but I'm not the best person to dispense technical advice). $\endgroup$ – Todd Trimble Aug 15 '17 at 14:38
  • $\begingroup$ @ToddTrimble Thank you. I will contact you if it is not solved. $\endgroup$ – Ali Taghavi Aug 15 '17 at 15:29
  • $\begingroup$ @ToddTrimble (and François G. Dorais) My best guess is that this is highlighting of the questions in favorite tags. Let's wait to see whether the OP confirms that this is what they have in mind. $\endgroup$ – Martin Sleziak Aug 15 '17 at 15:33
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    $\begingroup$ @MartinSleziak Yes,Yes, Exactly. I went to my preference I realized that the pink question has a tag in my "favorite tags". I thank you and all other moderators for your great activities in this wonderful site MO. $\endgroup$ – Ali Taghavi Aug 15 '17 at 19:14
  • $\begingroup$ @ToddTrimble My problem is solved thanks. $\endgroup$ – Ali Taghavi Aug 15 '17 at 19:16
  • $\begingroup$ @Dorias Now my problem is solved. thanks. $\endgroup$ – Ali Taghavi Aug 15 '17 at 19:17
  • $\begingroup$ Deleted questions get a reddish background when you view them, but they do not appear at all on the question list. $\endgroup$ – Emil Jeřábek Jul 2 '20 at 17:01

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