Hex #9f9420 or rgb(159,148,32) in RGB space is the tint of yellow. It has hue angle of 54.80 degrees, value = 62 and saturation = 80. #9f9420 can be obtained by mixing 4 colors: 4 drops of yellow, 1 drop of red, 1 drop of cyan, 2 drops of black.
Nearest safe hex - #999933. Below you can see the block with #9f9420 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #9f9420 to the mixer and play with it.