Hex #6d6e3d or rgb(109,110,61) in RGB space is the tint of yellow. It has hue angle of 61.22 degrees, value = 43 and saturation = 45. #6d6e3d can be obtained by mixing 4 colors: 5 drops of yellow, 1 drop of red, 5 drops of blue, 3 drops of black.
Nearest safe hex - #666633. Below you can see the block with #6d6e3d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6d6e3d to the mixer and play with it.