Hex #899a83 or rgb(137,154,131) in RGB space is the tint of grass green. It has hue angle of 104.35 degrees, value = 60 and saturation = 15. #899a83 can be obtained by mixing 4 colors: 3 drops of magenta, 1 drop of blue, 5 drops of green, 4 drops of white.
Nearest safe hex - #999999. Below you can see the block with #899a83 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #899a83 to the mixer and play with it.