HDR PS5

Guys, can anyone explain the difference between hdr in the console menu and in the game menu? Using AC origins as an example, I configured hdr in the console menu, there is also hdr in the game menu, including which the picture becomes covered with a white veil, and turning off hdr in the game, the TV still receives the hdr signal from the console. I really don't understand this point. Thanks for your help in advance. I have problems with the perception of colors, if anything (
I see a difference when hdr is turned on in terms of dark areas become really better visible, and light ones do not light up. In terms of color - alas, it's a disaster (