Hex #999e6c or rgb(153,158,108) in RGB space is the tint of yellow. It has hue angle of 66.00 degrees, value = 62 and saturation = 32. #999e6c can be obtained by mixing 4 colors: 4 drops of yellow, 2 drops of blue, 5 drops of white, 4 drops of black.
Nearest safe hex - #999966. Below you can see the block with #999e6c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #999e6c to the mixer and play with it.