Hex #9d9f6f or rgb(157,159,111) in RGB space is the tint of yellow. It has hue angle of 62.50 degrees, value = 62 and saturation = 30. #9d9f6f can be obtained by mixing 4 colors: 3 drops of red, 1 drop of blue, 4 drops of green, 5 drops of white.
Nearest safe hex - #999966. Below you can see the block with #9d9f6f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #9d9f6f to the mixer and play with it.