Hex #008b9c or rgb(0,139,156) in RGB space is the tint of cyan. It has hue angle of 186.54 degrees, value = 61 and saturation = 100. #008b9c can be obtained by mixing 4 colors: 5 drops of blue, 4 drops of cyan, 2 drops of green, 1 drop of black.
Nearest safe hex - #009999. Below you can see the block with #008b9c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #008b9c to the mixer and play with it.