Hex #999c77 or rgb(153,156,119) in RGB space is the tint of yellow. It has hue angle of 64.86 degrees, value = 61 and saturation = 24. #999c77 can be obtained by mixing 4 colors: 2 drops of yellow, 1 drop of magenta, 1 drop of blue, 1 drop of cyan.
Nearest safe hex - #999966. Below you can see the block with #999c77 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #999c77 to the mixer and play with it.