Hex #8b9693 or rgb(139,150,147) in RGB space is the tint of greenish cian. It has hue angle of 163.64 degrees, value = 59 and saturation = 7. #8b9693 can be obtained by mixing 4 colors: 1 drop of yellow, 2 drops of blue, 5 drops of white, 3 drops of black.
Nearest safe hex - #999999. Below you can see the block with #8b9693 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #8b9693 to the mixer and play with it.