Hex #8b9d9b or rgb(139,157,155) in RGB space is the tint of cyan. It has hue angle of 173.33 degrees, value = 62 and saturation = 11. #8b9d9b can be obtained by mixing 4 colors: 3 drops of yellow, 3 drops of magenta, 1 drop of blue, 4 drops of cyan.
Nearest safe hex - #999999. Below you can see the block with #8b9d9b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #8b9d9b to the mixer and play with it.