Hex #715d39 or rgb(113,93,57) in RGB space is the tint of khaki. It has hue angle of 38.57 degrees, value = 44 and saturation = 50. #715d39 can be obtained by mixing 4 colors: 4 drops of red, 2 drops of cyan, 2 drops of green, 1 drop of black.
Nearest safe hex - #666633. Below you can see the block with #715d39 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #715d39 to the mixer and play with it.