Hex #8b9817 or rgb(139,152,23) in RGB space is the tint of yellow. It has hue angle of 66.05 degrees, value = 60 and saturation = 85. #8b9817 can be obtained by mixing 4 colors: 3 drops of yellow, 3 drops of red, 1 drop of cyan, 4 drops of green.
Nearest safe hex - #999900. Below you can see the block with #8b9817 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #8b9817 to the mixer and play with it.