Hex #99ae88 or rgb(153,174,136) in RGB space is the tint of olive. It has hue angle of 93.16 degrees, value = 68 and saturation = 22. #99ae88 can be obtained by mixing 3 colors: 1 drop of magenta, 2 drops of green, 2 drops of white.
Nearest safe hex - #999999. Below you can see the block with #99ae88 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #99ae88 to the mixer and play with it.