Hex #5b4512 or rgb(91,69,18) in RGB space is the tint of khaki. It has hue angle of 41.92 degrees, value = 36 and saturation = 80. #5b4512 can be obtained by mixing 4 colors: 5 drops of red, 1 drop of cyan, 4 drops of green, 4 drops of black.
Nearest safe hex - #663300. Below you can see the block with #5b4512 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5b4512 to the mixer and play with it.