Hex #6d663d or rgb(109,102,61) in RGB space is the tint of khaki. It has hue angle of 51.25 degrees, value = 43 and saturation = 44. #6d663d can be obtained by mixing 4 colors: 2 drops of yellow, 1 drop of magenta, 1 drop of cyan, 3 drops of black.
Nearest safe hex - #666633. Below you can see the block with #6d663d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6d663d to the mixer and play with it.