Hex #9fbbbf or rgb(159,187,191) in RGB space is the tint of bluish cian. It has hue angle of 187.50 degrees, value = 75 and saturation = 17. #9fbbbf can be obtained by mixing 4 colors: 1 drop of red, 2 drops of cyan, 4 drops of white, 1 drop of black.
Nearest safe hex - #99cccc. Below you can see the block with #9fbbbf color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #9fbbbf to the mixer and play with it.