Hex #6d6637 or rgb(109,102,55) in RGB space is the tint of khaki. It has hue angle of 52.22 degrees, value = 43 and saturation = 50. #6d6637 can be obtained by mixing 4 colors: 3 drops of yellow, 3 drops of red, 3 drops of cyan, 5 drops of black.
Nearest safe hex - #666633. Below you can see the block with #6d6637 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6d6637 to the mixer and play with it.