Hex #87703c or rgb(135,112,60) in RGB space is the tint of khaki. It has hue angle of 41.60 degrees, value = 53 and saturation = 56. #87703c can be obtained by mixing 4 colors: 4 drops of yellow, 5 drops of red, 4 drops of cyan, 4 drops of black.
Nearest safe hex - #996633. Below you can see the block with #87703c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #87703c to the mixer and play with it.