Hex #504620 or rgb(80,70,32) in RGB space is the tint of khaki. It has hue angle of 47.50 degrees, value = 31 and saturation = 60. #504620 can be obtained by mixing 4 colors: 5 drops of red, 3 drops of blue, 5 drops of green, 3 drops of black.
Nearest safe hex - #663333. Below you can see the block with #504620 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #504620 to the mixer and play with it.