Hex #99894d or rgb(153,137,77) in RGB space is the tint of khaki. It has hue angle of 47.37 degrees, value = 60 and saturation = 50. #99894d can be obtained by mixing 4 colors: 2 drops of yellow, 4 drops of red, 3 drops of cyan, 1 drop of green.
Nearest safe hex - #999966. Below you can see the block with #99894d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #99894d to the mixer and play with it.