Hex #9fa64b or rgb(159,166,75) in RGB space is the tint of yellow. It has hue angle of 64.62 degrees, value = 65 and saturation = 55. #9fa64b can be obtained by mixing 4 colors: 4 drops of yellow, 1 drop of red, 2 drops of blue, 1 drop of cyan.
Nearest safe hex - #999933. Below you can see the block with #9fa64b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #9fa64b to the mixer and play with it.