Hex #5b5e3d or rgb(91,94,61) in RGB space is the tint of yellow. It has hue angle of 65.45 degrees, value = 37 and saturation = 35. #5b5e3d can be obtained by mixing 4 colors: 1 drop of yellow, 4 drops of red, 5 drops of blue, 4 drops of green.
Nearest safe hex - #666633. Below you can see the block with #5b5e3d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5b5e3d to the mixer and play with it.