The status effect icons for saturation and hunger appear to be swapped.
When getting hunger, you get a plain hunger bar icon, but with saturation you get a hunger bar icon with a downward facing arrow.
MC-253352
Saturation and Hunger status textures are swapped
Resolved
Invalid
1
The icon is for hunger, saturation shows "hunger down", in other words "not hungry".
I agree they're not exactly clear, but it is not flipped.