Hex #8b814d or rgb(139,129,77) in RGB space is the tint of khaki. It has hue angle of 50.32 degrees, value = 55 and saturation = 45. #8b814d can be obtained by mixing 4 colors: 2 drops of red, 2 drops of magenta, 5 drops of green, 2 drops of white.
Nearest safe hex - #999966. Below you can see the block with #8b814d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #8b814d to the mixer and play with it.