Hex #8ea9a1 or rgb(142,169,161) in RGB space is the tint of greenish cian. It has hue angle of 162.22 degrees, value = 66 and saturation = 16. #8ea9a1 can be obtained by mixing 3 colors: 2 drops of yellow, 4 drops of blue, 3 drops of white.
Nearest safe hex - #999999. Below you can see the block with #8ea9a1 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #8ea9a1 to the mixer and play with it.