Hex #9fa59f or rgb(159,165,159) in RGB space is the tint of green. It has hue angle of 120.00 degrees, value = 65 and saturation = 4. #9fa59f can be obtained by mixing 4 colors: 5 drops of red, 5 drops of cyan, 1 drop of green, 5 drops of white.
Nearest safe hex - #999999. Below you can see the block with #9fa59f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #9fa59f to the mixer and play with it.