Hex #80a400 or rgb(128,164,0) in RGB space is the tint of lime. It has hue angle of 73.17 degrees, value = 64 and saturation = 100. #80a400 can be obtained by mixing 3 colors: 2 drops of yellow, 1 drop of green, 1 drop of black.
Nearest safe hex - #999900. Below you can see the block with #80a400 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #80a400 to the mixer and play with it.