Hex #999e44 or rgb(153,158,68) in RGB space is the tint of yellow. It has hue angle of 63.33 degrees, value = 62 and saturation = 57. #999e44 can be obtained by mixing 4 colors: 5 drops of yellow, 1 drop of magenta, 3 drops of blue, 1 drop of green.
Nearest safe hex - #999933. Below you can see the block with #999e44 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #999e44 to the mixer and play with it.