How to do Hacking Device hack

To do this hack remember the boxes according to numbers like 1st box is 1 2nd box is 3 3rd box is 2 here in this case

Question here is BACKGROUND COLOR (3) AND COLOR TEXT (2) --> so background color of 3 means background color of 2nd box here which is Yellow in this case. --> And color text of 2 means the text written about color in 3rd box here which is White in this case.