>>54515131>>54515131It would look pretty dark and amateurish on the item sprite.
They are all supposed to have colors leaning towards pastel shades because if you put darker colors on a small picture (item sprites are much smaller than Pokemon sprites) it will feel even more narrow and small to the human eye.
The problem is that red doesn't really have a pastel shade per se so you're forced to either make it orange-y or pinkish.
The Red Orb looks pink in Gen3 games as well.