Hex #99955e or rgb(153,149,94) in RGB space is the tint of yellow. It has hue angle of 55.93 degrees, value = 60 and saturation = 39. #99955e can be obtained by mixing 4 colors: 2 drops of red, 1 drop of magenta, 4 drops of green, 3 drops of white.
Nearest safe hex - #999966. Below you can see the block with #99955e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #99955e to the mixer and play with it.