Hex #809500 or rgb(128,149,0) in RGB space is the tint of lime. It has hue angle of 68.46 degrees, value = 58 and saturation = 100. #809500 can be obtained by mixing 3 colors: 3 drops of yellow, 1 drop of green, 2 drops of black.
Nearest safe hex - #999900. Below you can see the block with #809500 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #809500 to the mixer and play with it.