Hex #8fa980 or rgb(143,169,128) in RGB space is the tint of grass green. It has hue angle of 98.05 degrees, value = 66 and saturation = 24. #8fa980 can be obtained by mixing 4 colors: 4 drops of red, 3 drops of cyan, 4 drops of green, 5 drops of white.
Nearest safe hex - #999999. Below you can see the block with #8fa980 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #8fa980 to the mixer and play with it.