Hello :)
This is a Mirage 2000 EM livery of the 82 Tactical Fighter Squadron from the Egyptian Air Force (based on the Mersa Matruh AirBase in Egypt). It seem to be a livery of the years 80-90. The IRL Mirage 2000 EM have 2 kind of livery. One with a full light yellow, and one with a bicolored gray (this one).