Michael Miller's jet black is an awesome shade of black. It seems to be consistent in color.
However - for me - it shrank over two inches in width when I soaked it in hot water. These were pieces from different bolts purchased at different times.
One of the reasons that I "abuse" my fabrics before cutting them - I do not know if the recipient of the finished product will know how to "properly" care for the item - and I want the item to not give the recipient any unpleasant surprises after it has been washed.