Hex #809799 or rgb(128,151,153) in RGB space is the tint of cyan. It has hue angle of 184.80 degrees, value = 60 and saturation = 16. #809799 can be obtained by mixing 3 colors: 1 drop of cyan, 5 drops of white, 4 drops of black.
Nearest safe hex - #999999. Below you can see the block with #809799 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #809799 to the mixer and play with it.