Hex #99a055 or rgb(153,160,85) in RGB space is the tint of yellow. It has hue angle of 65.60 degrees, value = 63 and saturation = 47. #99a055 can be obtained by mixing 4 colors: 2 drops of yellow, 1 drop of blue, 1 drop of white, 1 drop of black.
Nearest safe hex - #999966. Below you can see the block with #99a055 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #99a055 to the mixer and play with it.