Hex #606420 or rgb(96,100,32) in RGB space is the tint of yellow. It has hue angle of 63.53 degrees, value = 39 and saturation = 68. #606420 can be obtained by mixing 4 colors: 2 drops of red, 3 drops of green, 1 drop of white, 2 drops of black.
Nearest safe hex - #666633. Below you can see the block with #606420 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #606420 to the mixer and play with it.