Hex #8ba8a3 or rgb(139,168,163) in RGB space is the tint of greenish cian. It has hue angle of 169.66 degrees, value = 66 and saturation = 17. #8ba8a3 can be obtained by mixing 4 colors: 1 drop of red, 3 drops of blue, 2 drops of green, 5 drops of white.
Nearest safe hex - #999999. Below you can see the block with #8ba8a3 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #8ba8a3 to the mixer and play with it.