Hex #99a491 or rgb(153,164,145) in RGB space is the tint of olive. It has hue angle of 94.74 degrees, value = 64 and saturation = 12. #99a491 can be obtained by mixing 4 colors: 1 drop of magenta, 2 drops of green, 5 drops of white, 2 drops of black.
Nearest safe hex - #999999. Below you can see the block with #99a491 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #99a491 to the mixer and play with it.