Hex #99944d or rgb(153,148,77) in RGB space is the tint of yellow. It has hue angle of 56.05 degrees, value = 60 and saturation = 50. #99944d can be obtained by mixing 3 colors: 3 drops of yellow, 3 drops of white, 4 drops of black.
Nearest safe hex - #999966. Below you can see the block with #99944d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #99944d to the mixer and play with it.