Hex #999e33 or rgb(153,158,51) in RGB space is the tint of yellow. It has hue angle of 62.80 degrees, value = 62 and saturation = 68. #999e33 can be obtained by mixing 4 colors: 5 drops of yellow, 1 drop of red, 3 drops of blue, 1 drop of green.
Nearest safe hex - #999933. Below you can see the block with #999e33 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #999e33 to the mixer and play with it.