Hex #8b981f or rgb(139,152,31) in RGB space is the tint of yellow. It has hue angle of 66.45 degrees, value = 60 and saturation = 80. #8b981f can be obtained by mixing 4 colors: 4 drops of yellow, 2 drops of magenta, 4 drops of green, 1 drop of black.
Nearest safe hex - #999933. Below you can see the block with #8b981f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #8b981f to the mixer and play with it.