Hex #605940 or rgb(96,89,64) in RGB space is the tint of khaki. It has hue angle of 46.88 degrees, value = 38 and saturation = 33. #605940 can be obtained by mixing 4 colors: 1 drop of yellow, 2 drops of red, 2 drops of cyan, 3 drops of black.
Nearest safe hex - #666633. Below you can see the block with #605940 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #605940 to the mixer and play with it.