Hex #998f6c or rgb(153,143,108) in RGB space is the tint of khaki. It has hue angle of 46.67 degrees, value = 60 and saturation = 29. #998f6c can be obtained by mixing 4 colors: 4 drops of red, 2 drops of blue, 4 drops of green, 5 drops of white.
Nearest safe hex - #999966. Below you can see the block with #998f6c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #998f6c to the mixer and play with it.