Hex #9d9f8a or rgb(157,159,138) in RGB space is the tint of yellow. It has hue angle of 65.71 degrees, value = 62 and saturation = 13. #9d9f8a can be obtained by mixing 4 colors: 4 drops of yellow, 1 drop of magenta, 5 drops of blue, 3 drops of white.
Nearest safe hex - #999999. Below you can see the block with #9d9f8a color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #9d9f8a to the mixer and play with it.