Set Color Vision Deficiency Type not working properly in Standalone/Package game

When I use node “Set Color Vision Deficiency Type” in Standalone or packaged game it doesn’t work as it probably should.

Anything that isn’t covered by UI isn’t being affected at all. But as soon as players viewport is covered by widget (for example If I have opened pause menu, the whole screen is covered with slight blur), then color is changed appropriately. But if pause menu is closed and there is no widget on players screen, colors shift to normal once again.

Why is it working like that?