Hex #99b2a2 or rgb(153,178,162) in RGB space is the tint of bluish green. It has hue angle of 141.60 degrees, value = 70 and saturation = 14. #99b2a2 can be obtained by mixing 4 colors: 1 drop of red, 2 drops of blue, 2 drops of green, 5 drops of white.
Nearest safe hex - #999999. Below you can see the block with #99b2a2 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #99b2a2 to the mixer and play with it.